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The Dog Days and Sothic Cycles of August

By David Dickinson - August 04, 2015 09:40 AM UTC | Solar Astronomy
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Will SETI's Unprecedented New Program Finally Find E.T.?

By lvican - August 03, 2015 08:17 PM UTC | Astrobiology
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Kirk, Spock and Sulu Boldly Go Where No Man Has Gone Before — Charon!

By bob-king - August 03, 2015 04:14 PM UTC | Planetary Science
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The Resplendent Inflexibility of the Rainbow

By bob-king - August 03, 2015 09:02 AM UTC | Physics
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The Planet Saturn

By Matthew Williams - August 01, 2015 03:00 PM UTC | Planetary Science
The gas giant Saturn is a fascinating place. In addition to its size, impressive ring system, and weather systems, it has over 150 moons and moonlets.
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T-Minus 12 Days to Perihelion, Rosetta's Comet Up Close and in 3D

By bob-king - August 01, 2015 02:34 PM UTC | Missions
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Curiosity Discovers Mars Rock Like None Before, Sets Drill Campaign

By ken-kremer - July 31, 2015 04:42 PM UTC | Planetary Science
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Could We Make Artificial Gravity?

By Fraser Cain - July 30, 2015 02:45 PM UTC | Physics
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What Are These Strange Scarlet Streaks Spotted on Tethys?

By jmajor - July 29, 2015 01:24 PM UTC | Planetary Science
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Eris' Moon Dysnomia

By Matthew Williams - July 28, 2015 04:00 PM UTC | Planetary Science
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Ceres Resembles Saturn's Icy Moons

By jmajor - July 28, 2015 12:16 PM UTC | Planetary Science
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Faces of the Solar System

By David Dickinson - July 28, 2015 11:02 AM UTC | Planetary Science
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Neptune's Moon Triton

By Matthew Williams - July 28, 2015 09:00 AM UTC | Planetary Science
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Blues for the Second Full Moon of July

By David Dickinson - July 27, 2015 02:52 PM UTC | Planetary Science
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What About a Mission to Europa?

By Fraser Cain - July 27, 2015 11:52 AM UTC | Missions
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See Pluto's Icy Flow Plains and Mountains Revealed in Highest Resolution Flyover Mosaic and Movie

By ken-kremer - July 26, 2015 06:02 PM UTC | Planetary Science
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The Planet Venus

By Matthew Williams - July 26, 2015 03:00 PM UTC | Planetary Science
The planet Venus, which is hottest and most hellish world in our Solar System, has a long history of being observed by humans. And someday, humans may actually live there...
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Flowing Ice, Exotic Mountains and Backlit Haze Highlight Pluto as Never Seen Before

By ken-kremer - July 24, 2015 05:41 PM UTC | Planetary Science
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What if a Black Hole Met an Antimatter Black Hole?

By Fraser Cain - July 24, 2015 03:05 PM UTC | Black Holes
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USAF High Throughput Tactical Satcom Takes Flight in Stunning Florida Sunset Blastoff

By ken-kremer - July 24, 2015 01:38 AM UTC | Space Exploration
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A Place for Alien Life? Kepler Mission Discovers Earth's Older Cousin, Kepler-452b

By Alan Boyle - July 23, 2015 01:00 PM UTC | Exoplanets
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Astronomers Spot a Intriguing '5-Star' Multiple System

By David Dickinson - July 23, 2015 11:48 AM UTC | Stars
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ULA Delta IV Rocket Launches July 23 with USAF High Capacity Satcom: Watch Live

By ken-kremer - July 23, 2015 11:45 AM UTC | Space Exploration
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What's the Big Deal About the Pentaquark?

By vdamico - July 23, 2015 11:37 AM UTC | Physics
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What's Up With Ceres' Mysterious Bright Spots? Reply Hazy, Ask Again Later

By Alan Boyle - July 23, 2015 11:32 AM UTC | Planetary Science
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Pluto's Moons Nix and Hydra Get Real / New Pluto Mountain Range Discovered

By bob-king - July 21, 2015 06:33 PM UTC | Planetary Science
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Moonspotting-A Guide to Observing the Moons of the Solar System

By David Dickinson - July 21, 2015 09:25 AM UTC | Observing
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Faulty Support Strut Likely Caused SpaceX Falcon 9 Rocket Failure: Elon Musk

By ken-kremer - July 21, 2015 12:57 AM UTC | Space Exploration
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Carnival Of Space #415

By susie - July 20, 2015 11:02 PM UTC | Site News
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This is Our Planet From a Million Miles Away

By jmajor - July 20, 2015 12:16 PM UTC | Planetary Science
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What's This Ridge on Iapetus?

By Fraser Cain - July 20, 2015 10:59 AM UTC | Planetary Science
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Pluto's Heart of the Heart Swathed in Newly Discovered Icy Mountains and Vast Plains

By ken-kremer - July 19, 2015 02:20 PM UTC | Planetary Science
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The (Dwarf) Planet Pluto

By Matthew Williams - July 18, 2015 09:00 AM UTC | Planetary Science
Once known as the 9th planet of the Solar System, Pluto is now classified as a "dwarf planet", a Trans-Neptunian Object and a Kuiper Belt Object.
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Youthful Frozen Plains Cover Pluto's Big 'Heart' - Spectacular New Images from New Horizons

By ken-kremer - July 17, 2015 04:46 PM UTC | Planetary Science
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Mysterious Mountain Revealed in First Close-up of Pluto's Moon Charon

By ken-kremer - July 16, 2015 10:49 PM UTC | Planetary Science
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How Could We Destroy the Moon?

By Fraser Cain - July 16, 2015 06:08 PM UTC | Planetary Science
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New Horizons Mission to Pluto

By Matthew Williams - July 16, 2015 02:20 PM UTC | Missions
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Three-tailed Comet Q1 PanSTARRS Lights Up Southern Skies

By bob-king - July 16, 2015 12:37 PM UTC | Observing
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NASA's New Horizons Makes Major Discoveries: Young Ice Mountains on Pluto and Crispy Young Chasms on Charon

By ken-kremer - July 15, 2015 07:14 PM UTC | Planetary Science
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Catch a Fine Lunar Planetary Grouping This Weekend

By David Dickinson - July 15, 2015 03:01 PM UTC | Observing
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Carnival of Space #414

By susie - July 15, 2015 01:58 PM UTC | Site News
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Carnival of Space #413

By susie - July 15, 2015 01:55 PM UTC | Site News
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NASA's New Horizons Zooms By Pluto, Solar Systems Last Planet - King of The Kuiper Belt

By ken-kremer - July 15, 2015 01:57 AM UTC | Planetary Science
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New Horizons Phones Home, Flyby a Success

By bob-king - July 14, 2015 11:32 PM UTC | Missions
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Pluto - Just Look at the Detail!

By bob-king - July 14, 2015 08:16 AM UTC | Planetary Science
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Charon: Pluto's Largest Moon

By Matthew Williams - July 14, 2015 06:00 AM UTC | Planetary Science
Charon is the largest moon of the dwarf planet Pluto. In fact, it's so large the two objects act like binary planets orbiting one another.
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Big Discovery from NASA's New Horizons; Pluto is Biggest Kuiper Belt Body

By ken-kremer - July 13, 2015 09:59 PM UTC | Planetary Science
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Pluto's Moon Hydra

By Matthew Williams - July 13, 2015 03:00 PM UTC | Planetary Science
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Naming Pluto: Christening Features on Brave New Worlds

By David Dickinson - July 13, 2015 01:07 PM UTC | Planetary Science
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How Fast is Gravity?

By Fraser Cain - July 13, 2015 12:07 PM UTC | Physics
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