Mega-Maser in Messier 106

Song for a Spacefarer

Four Beautiful Pairings for a Small Telescope

The View from Your Telescope: NGC 4395

The Sky This Month – May 2013

Three Good Links for Armchair Astronomers

Where are the aliens, anyway?

View from Your Telescope: M51, the Whirlpool Galaxy

The Beginning of the Universe, for Beginners

5 Superb Sights for Binocular Stargazers

Two Fine Double Stars in the Northern Dippers

The Sky This Month – April 2013

Brilliant Image of Galaxy M101

An Almost Perfect Universe

Image and Videos of Comet PANSTARRS

Caesar’s Comet

A 3D View of the Veil Nebula

The Sky This Month – March 2013

The “Heart and Soul” Nebulae

Timelapse Video of Two Comets

Meteorite Strikes Russia!

Armchair Astronomy This Weekend…

Comet and Asteroid Update

You Are Stardust…

The Sky This Month – February 2013

Reincarnation, Dung Beetles, and the Southern Milky Way

Summer Stargazing for Kids (South)

Winter Stargazing for Kids (North)

The Prettiest Nebula You’ll Never See

Where The Planets Are

The Stars of Orion’s Head

A Runaway Star

Image of the Rosette Nebula

The Sky This Month – January 2013

The Best Astronomy Movie?

Free Interactive e-Books from NASA

Ceres at Opposition

Why the 2012 Mayan Doomsday is Nonsense

Vesta at Opposition

The Sky This Month – December 2012

The Last Stars

Astro Gift Ideas

The “Outer Limits” Galaxy

Leonid Meteor Storm

Video of Solar Eclipse – November 13, 2012

The Small Magellanic Cloud

Where is the Center of the Universe?

The Sky This Month – November 2012

How Big is the Universe?

The Saturn Nebula

Constellation Aquarius

The Fetus Nebula

Free Astronomy e-Book

“Seeing” A Black Hole in Cygnus

A Surprisingly Bright Comet in Pegasus

Flash Photo of the Earliest Universe

The Night Sky This Month – October 2012

A Distant Outpost in the Galactic Halo

Bright New Comet on the Way

Image of Uranus and 44 Piscium

The Planet Uranus Passes a Star

The Flying Unicorn Cluster

The Zodiacal Light

The Constellation Reticulum

The Night Sky This Month – September 2012

Blue Moon

The “Backward Bracket” Cluster

Curiosity Has Landed

The Sky This Month – August 2012

Virtual Tour of a Quasar

The Herd Boy and the Weaving Girl

The “North America” Nebula

The Constellation Sagittarius

Virtual Tour of The “Dumbbell” Nebula

Solar Flare Caught in the Act

Stellar Nurseries

Stars and Nebulae in the “Hen’s Chest”

The Sky This Month – July 2012

Cosmic Inflation

The Cat’s Eye Nebula

The Constellation Hercules

The Crescent Nebula

The Afterglow of the Big Bang

A Few Images of the Transit of Venus

The Sky This Month – June 2012

The Ring Nebula

A Close, Quick, and Beautiful Double Star

Video Tour of Coma Berenices

Long Eye Relief Eyepieces

Your Guide to the Transit of Venus

The Big Bang Theory

Take a Peek Through My Telescope

Saturn’s Moon Titan

The Sky This Month – May 2012

The Constellation Musca, the Fly

Carl Sagan Narrates “The Tree of Life”

The Constellation Bootes

Saturn’s Rings

The Expanding Universe (Part 3)

Two Fine Double Stars in the Celestial Lion

The Sky This Month – April 2012

A Double Star in the Southern Cross

Video of a New Supernova in M95

The Owl Nebula

A Close-Up of the Moon in HD

The Expanding Universe (Part 2)

The Most Astounding Fact About The Universe

The Expanding Universe (Part 1)

How Many Stars in the Night Sky

The Sky This Month – March 2012

Discovery of the Month: Light Echo from Eta Carinae

Seeing Mars With A Telescope

The False Cross

Phases of Venus

The Constellation Canis Major

Images of Aurora Borealis

The Sky This Month – February 2012

A Star Named For an Astronaut

How To Photograph Aurorae

The “Empty Hole” Nebula

The “37 Cluster”

Kemble’s Cascade

Moons of Jupiter

The Universe Explained

The Sky This Month – January 2012

The “Southern Pleiades”

Open Star Clusters

An Old Tin Star

Blue Stragglers

The Crab Nebula

9 Good Astronomy Reads

The Distance Scale of the Universe

A Neat Trick to Understand the Size of the Galaxy

How To Choose a Beginner Telescope

The Sky This Month – December 2011

Double Star Cluster in Perseus

An Astonishing Image of the Pleiades (and Far Beyond)…

Bino-Viewers

The “String of Pearls” Galaxy

William Herschel

The Helix Nebula

A Q&A With Dava Sobel

The Sky This Month – November 2011

The Silver Coin Galaxy

The Geography of Jupiter

Orionid Meteor Shower

The Star Fomalhaut

A Most Beautiful Object

A Mini-Tour of the Constellation Pavo

The Draconid Meteor Shower

The Sky This Month – October 2011

The Wonderful Star Brightens

Big Sunspot Group Visible Now

What Happened to Comet Elenin?

Dawn at Vesta

See The Planet Uranus

The Planet Uranus

Supernova in M101

The Sky This Month – September 2011

Comet Garradd Video

Comet Garradd Near M71 in Sagitta

The Constellation Sagitta

The Necklace Nebula

The Mysterious “Hiss” From The Milky Way (Part 2)

The Attendants of Mirfak

The Small Sagittarius Star Cloud

A Mysterious Hiss from the Milky Way (Part 1)

The Sky This Month – August 2011

A Long List for Stargazers This Weekend

Waning Moon in the Morning Sky

The “Arkenstone in the Stars”

7 Easy Sights for Summer Stargazing

Neptune’s Birthday

A Sneak Peek at the Southern Skies…

The Sky This Month – July 2011

Napoleon’s Hat

Two Dazzling Double Stars in Hercules

The “Ancient Whisper” Cluster

New Image of a Massive Radio Galaxy…

Lunar Eclipse on June 15

Jaw-Dropping Video of the Milky Way

The Pearl Cluster

Dazzling Image of Messier 13

The Sky This Month – June 2011

The Big Dipper

The Brightest Stars

Star Brightness

How To Read A Star Chart

The Spindle Galaxy

Sky Coordinates

The Celestial Sphere

What You Can See in the Night Sky

All The Stars in the Night Sky

The Moons of Saturn

The Constellation Centaurus

What is a Goldilocks Planet?

Image of Markarian’s Chain

Update – Storm on the Planet Saturn

Pale Blue Dot – Redux

The Sky This Month – May 2011

Astronomers Reveal a “Super-Exotic Super Earth”

The Constellation Virgo

Seyfert Galaxies

5 Celestial Sights for Kids This Month

NGC 2403, A Dusty Cosmic Flower

108 Minutes That Changed the World

Galaxy Shapes

How To See the Planet Saturn

The Sky This Month – April 2011

Mercury and the Northern Lights

The “Odd Couple” of Spiral Galaxies

Telling Time with the Southern Cross

How to Find the South Celestial Pole

The Constellation Auriga

A Rendezvous With Mercury

The UFO Galaxy

The Sky This Month – March 2011

Bucket List for Backyard Stargazers #1: A Supernova

The Constellation Gemini

Bucket List for Backyard Stargazers #2: The Great Orion Nebula

Best Books for Astronomy – “Seeing in the Dark”

Bloodless Eyes Through a Frosty Window

Bucket List for Backyard Stargazers #3: A Bright Comet

The Earth’s ‘Second Moon’

The Sky This Month – February 2011

See A Massive Storm on Saturn

The Constellation Taurus

Canopus – The “Star of Old Age”

Bucket List for Backyard Stargazers #4: The Southern Stars

The Constellation Eridanus

How To Become a Planet Hunter

The Constellation Orion

Four Fine Sights in the Sky to Start 2011

The Rosette Nebula

The Christmas Tree Cluster

The Constellation Monoceros

The Omicron Velorum Cluster

The Sky This Month – December 2010

How To See The Great Red Spot

An “Orange and Emerald” Double Star in Andromeda

Bucket List for Backyard Stargazers #5: A “Meteor Storm”

Time Travel on a Cloudy Night…

Bucket List for Backyard Stargazers #6: The Transit of Venus

The Sky This Month – November 2010

The Crater Plato

Comet Filters

Double Shadow on Jupiter This Weekend

The “Muscleman Cluster”

A Movie of Mira, The Wonderful Star

Comet Hartley 2 Update…

What Doesn’t Kill You Makes You Stronger…

The Sky This Month – October 2010

NGC 752: A Hidden Gem in Andromeda

Comet Hartley 2 Approaches Earth

The Man in the Moon

Bucket List Object #7: The Green Flash

The Strange Case of Jupiter’s Disappearing Belt

The Sky This Month – September 2010

Three Sadly-Neglected Star Clusters in Ophiuchus

The “Mad Bull” of the August Sky

A Look at the Planet… Earth!

The Northern Coalsack

A Dying Star in the Dragon’s Den

Why Mars Will NOT Appear As Large As The Full Moon

Two Must-See Star Clusters in Scorpius

The Sky This Month – August 2010

The Coalsack Nebula

Looking for Dark Nebulae

Constellation Crux – The Southern Cross

Legends of the Southern Cross

Summer Stargazing Without a Telescope

Bucket List Object #8: A Total Solar Eclipse

The Sky This Month – July 2010

Five Destinations for the Astro-Tourist

The Heart of the Scorpion

Bucket List for Stargazers #9: Sunrise on the Moon

Easy Imaging of the Milky Way

Jupiter Gets Dinged… Again

A Comet at Midsummer Dawn

The Sky This Month – June 2010

Bucket List Object #10: Omega Centauri

The “Bucket List” for Backyard Stargazers

The Constellation Leo

The Mule Driver Who Measured the Universe

Venus, Moon, and Two Spacecraft To Meet in the Western Sky

Flames on the Sun

The Sky This Month – May 2010

Don’t “Dew” This With Your Telescope…

Amazing Videos of the Awakening Sun

The “Ghost of Jupiter”

Image-Stabilized Binoculars for Astronomy

Messier’s “Lost” Star Cluster

The Constellation Hydra

Fly Me To… The Planet Saturn

The Sky This Month – April 2010

A Little Night Music

A Planet “Pretty Enough to Make a Grown Man Cry”

How To Choose Binoculars For Astronomy

Saturn Takes Center Stage

Cluster Hunting with the “Big Dog”

The Collinder List

Binocular Basics

How Spectroscopy Can Detect Life in the Universe

The Sky This Month – March 2010

The “Vampire” Star

Percival Lowell’s Vision

The Case for Life on Mars

A Short History of Life on Mars

Video of a Trip to Mars

The Tiny Moons of Mars

A Window on the Sky

The Sky This Month – February 2010

How To Observe Mars This Week

Mars in a Nutshell

Pioneer of the Southern Skies

An Olympic Test for Your Vision

The “Raining Stars”

The Sky This Month – January 2010

Odds and Ends for 2009

The California Nebula

The “Southern Beehive” Cluster

How To Take A Great Astrophoto

How Far is a Star?

The Sky This Month – December 2009

Video Series – How To Choose A Telescope (II)

Video Series – How To Choose A Telescope (I)

Mile Markers to the Galaxies

5 Ways Astronomy Can Help You Live To 100

An Elusive Nebula in the Northern Sky

3 Clusters in Cassiopeia

The Sky This Month – November 2009

Things That Go “Growl” in the Night

The Moons of Jupiter

Snapping Pictures of Jupiter

A Meteor Shower in Orion

Venus, Saturn, and Mercury in the Pre-Dawn Sky

Get a Better View of Jupiter

How To Make a Planet Into a Star

Space Probe to Crash Into Moon (et cetera…)

Who Ever Said Science Was Dull?

Do Sunspots Cause Global Warming?

Discover the “Secrets of the Deep Sky”

Seeing the “False Dawn”

Sunspots, Solar Cycles, and the Little Ice Age

All About Sunspots

A “Standard Candle” of the Universe

Jupiter’s Moons To Disappear

Mars Plays Tag With A Star Cluster

A Double Shadow on Jupiter

The Prettiest Globular in the Sky

The Best Way To View The Sun

How To Choose a Solar Filter

The Perseid Meteor Shower

A Mysterious Eclipse Begins in Auriga

The Nearest Star

Mars WILL NOT Appear As Large As The Full Moon

A Busy Week for Skywatchers

Type II Supernovae: Very Big Explosions

A Stargazing Lesson From Apollo 11

How To Keep Mosquitoes Away

An Astronomical Summer Romance

What’s Up This Month – July 2009

Alt-Azimuth Telescope Mounts

How Big Stars Die

How To Read Sky Coordinates

5 Great Telescopes That Changed Amateur Astronomy

The “Blue Planetary”

What’s Up This Month – June 2009

White Dwarf Stars: Cinders in Space

The Sun’s Demise

Under The Dipper’s Handle, Part 3

Under The Dipper’s Handle, Part 2

Under The Dipper’s Handle, Part 1

See A Galaxy Cluster From Your Backyard

What’s Up This Month – May 2009

Special Edition: The 100th “Carnival of Space”

Iota Cancri: Hard to Say, Easy to See

The Cluster of “Piled Corpse Spirits”

Measuring The Sky

The “Southern Pleiades”

The Jewel Box Cluster

The “Big Eye” on Palomar Mountain

The Best That We Could Do…

What’s Up This Month – April 2009

The Astronomy Party of a Lifetime…

A Modest But Attractive Star Cluster…

Urban Observer’s Survival Guide, Part III

Video of a Cosmic Close Call…

M35, This Month’s Most Beautiful Star Cluster

5 Ways “Go-To” Mounts Can Make You a Better Astronomer

What’s Up This Month – March 2009

Comet Lulin Update

The “Clown” Nebula

Beginner’s Q&A – February 2009

25 Random Things About… The Milky Way

5 Winter Wonders For Kids

Two More Fine Multiple Stars

What’s Up This Month – February 2009

A Quintuple Star in Orion

Prime-Time Stars: The HR Diagram

Urban Observer’s Survival Guide, Part II

The Great Orion Nebula

M41, A Winter Favorite

Urban Observer’s Survival Guide, Part I

What’s Up This Month – January 2009

10 New Year’s Resolutions for Amateur Astronomers

Star Colors Explained

M33: The Farthest Thing You Can See

Lunar and Planetary Filters

Two More Ways To Sustain Your Interest In Astronomy

7 Ways To Sustain Your Interest In Astronomy

What’s Up This Month – December 2008

The Double Cluster

Grab-and-Go Reflectors

25 Tips For The Frugal Astronomer

Caroline Herschel, Lady Astronomer

M15 – A Dense Swarm of Ancient Stars

Maksutov-Cassegrain Telescopes

The “Little Andromeda” Galaxy

Algol, The “Demon Star”

Mira, The “Wonderful” Star

Unit-Power Finders: Ready, Aim, Enjoy

47 Tucanae

Globular Clusters: Ancient Stellar Relics

Constant Change: Variable Stars

The “Castaway Cluster”

Finder Scopes: An Astronomer’s Best Friend

Five (More) Superb Astronomy Books

Five Superb Astronomy Books

NGC 6193: The “Four-In-One” Cluster

Planetary Eyepieces

Tycho Brahe

A Star’s Life, Part 2

Wide-Field Eyepieces

Leviathan of Parsonstown

Eyepiece Wisdom

M17 – The Swan Nebula

False Comet Cluster

Beginner’s Telescope Guide: What You Can Buy For $1500

Schmidt-Cassegrain Reflectors

A Pair of Delightful Double Stars

Clear Seeing

Newtonian Reflectors

M11 – The Wild Duck Cluster

Open Star Clusters

Albireo: A Spectacular Double Star

Reflecting Telescopes

Easy Math For Astronomers

Learning To See

Mapping the Milky Way

Grab-and-Go Refractors

Six Sights For Kids

Seeing In The Dark

A Star’s Life

Star Party Etiquette

Light-Pollution Filters

Vacation Astronomy

The Veil Nebula

The Mysterious “Hiss” From The Milky Way (Part 2)

Beginner’s Telescope Guide: What You Can Buy For $500

The Mysterious “Hiss” From The Milky Way (Part 1)

M87: Monster Galaxy in Virgo

Vacation Astronomy – Urban Stargazing

M104 – The Sombrero Galaxy

E. E. Barnard

The Dark Doodad

The Adler Planetarium

Naked-Eye Observing (Summer)

Binoculars (Part 3)

William Herschel: The First Deep-Sky Astronomer

Binoculars (Part 2)

M83: The Southern Pinwheel Galaxy

Binoculars (Part 1)

M81 & M82: Two Galaxies for The Price of One

Leslie Peltier: “World’s Greatest” Amateur Astronomer

M64: The “Black-Eyed” Galaxy

Variable Stars

Alvan Clark: Master Telescope Maker

Yerkes Observatory

Apochromatic Refractors: The Ultimate Telescopes?

Chesley Bonestell: Artist, Architect, Visionary

Lick Observatory

NGC 4565: The Flying Saucer Galaxy

Galaxy Shapes: Another Legacy of Edwin Hubble

Refracting Telescopes: 400th Anniversary

M44: A Hive Of Celestial Bees

Dark Adaptation: “Looking” Your Best

Averted Vision: Getting The Most From What Nature Gave You

Magnitude: Understanding the Brightness of Astronomical Objects

Getting Sirius: The Low-Down on the “Dog Star”