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Blue Origin Completes Successful Test Flight and Nails the Landing of New Shepard Rocket

By Nancy Atkinson - November 24, 2015 02:21 PM UTC | Space Exploration
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Who was Stephen Hawking?

By Matthew Williams - November 23, 2015 04:01 PM UTC | Physics
With countless contributions to the sciences, Stephen Hawking is one of the greatest living minds, and one of the greatest scientific minds that ever lived
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Astronomy Cast Ep. 394: The Standard Model - Bosons

By Fraser Cain - November 23, 2015 02:59 PM UTC | Physics
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Why Do Red Dwarfs Live So Long?

By Fraser Cain - November 23, 2015 01:14 PM UTC | Stars
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Comet Catalina Grows Two Tails, Soars at Dawn

By bob-king - November 22, 2015 01:49 PM UTC | Observing
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NASA Orders First Commercial Crew Mission to Space Station from SpaceX

By ken-kremer - November 21, 2015 07:14 PM UTC | Missions
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See Daytime Views of Pluto and Charon's Rotation

By Nancy Atkinson - November 20, 2015 09:32 PM UTC | Planetary Science
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Weekly Space Hangout – Nov. 20, 2015: Miguel Drake-McLaughlin, Director of Sky Line

By Fraser Cain - November 20, 2015 02:55 PM UTC | Site News
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It's Finally Here! Comet Catalina Greets Dawn Skywatchers

By bob-king - November 20, 2015 02:00 PM UTC | Observing
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Did We Need the Moon for Life?

By Fraser Cain - November 20, 2015 11:29 AM UTC | Planetary Science
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Carnival of Space #431-432

By susie - November 20, 2015 12:37 AM UTC | Site News
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Curiosity Mars Rover Nears First Study Site of Active Sand Dunes Beyond Earth

By ken-kremer - November 19, 2015 01:08 PM UTC | Planetary Science
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Hunting Unicorns: Is an Alpha Monocerotid Outburst Due in 2015?

By David Dickinson - November 18, 2015 09:31 AM UTC | Observing
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Astronomy Cast Ep. 393: The Standard Model - Leptons & Quarks

By Fraser Cain - November 17, 2015 02:57 PM UTC | Physics
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ULA Skips Competitive Bid for Air Force GPS Launch Contract, Door Opens to SpaceX

By ken-kremer - November 17, 2015 02:23 PM UTC | Space Policy
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What is Tidal Locking?

By Fraser Cain - November 16, 2015 02:14 PM UTC | Planetary Science
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NASA vs. Cigarettes: A Numbers Game

By Evan Gough - November 16, 2015 12:58 PM UTC | Site News
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Cosmologist Thinks a Strange Signal May Be Evidence of a Parallel Universe

By vdamico - November 16, 2015 12:50 PM UTC | Cosmology
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New Dwarf Planet is Most Distant Object Yet Observed in our Solar System

By Nancy Atkinson - November 16, 2015 10:01 AM UTC | Planetary Science
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Cygnus Freighter Fueled and Loaded to Resume American Cargo Launches to Space Station

By ken-kremer - November 15, 2015 08:38 PM UTC | Missions
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Who was Albert Einstein?

By Matthew Williams - November 15, 2015 08:00 PM UTC | Physics
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Sweet Sights for November Nights

By bob-king - November 15, 2015 02:30 PM UTC | Observing
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Book Review: Dawn of Small Worlds

By Mark Mortimer - November 15, 2015 09:25 AM UTC | Planetary Science
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'Explody' Taurid Meteors Produce Persistent Trains

By Nancy Atkinson - November 13, 2015 03:25 PM UTC | Observing
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Weekly Space Hangout – Nov. 13, 2015: Daniel Stern, Project Scientist on NuSTAR

By Fraser Cain - November 13, 2015 02:59 PM UTC | Site News
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Why Aren't There Eclipses Every Month?

By Fraser Cain - November 13, 2015 02:37 PM UTC | Planetary Science
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A New "Mathematical" Definition Proposed for What Constitutes a Planet

By Nancy Atkinson - November 13, 2015 01:16 PM UTC | Planetary Science
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Spectacular Breakup of WT1190F Seen by Airborne Astronomers

By bob-king - November 13, 2015 09:09 AM UTC | Observing
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Carnival of Space #430

By susie - November 12, 2015 09:35 PM UTC | Site News
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Asteroid? Rocket Stage? Whatever it is, WT1190F Plunges to Earth Tonight

By bob-king - November 12, 2015 01:19 PM UTC | Planetary Science
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NASA and Space Station Astronauts Salute Americas Veterans This Veteran's Day

By ken-kremer - November 11, 2015 11:04 PM UTC | Site News
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Who was Gerard Kuiper?

By Matthew Williams - November 11, 2015 09:00 PM UTC | Planetary Science
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MESSENGER Spies a Meteor Shower... on Mercury

By David Dickinson - November 11, 2015 10:54 AM UTC | Planetary Science
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Who Was Sir Isaac Newton?

By Matthew Williams - November 10, 2015 07:30 PM UTC | Physics
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Possible Ice Volcanoes Discovered on Pluto

By ken-kremer - November 10, 2015 06:29 PM UTC | Planetary Science
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Mars' Moon Phobos Undergoing 'Structural Failure'

By Nancy Atkinson - November 10, 2015 05:31 PM UTC | Planetary Science
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Astronomy Cast Ep. 392: The Standard Model - Intro

By Fraser Cain - November 10, 2015 05:11 PM UTC | Physics
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From a Roar to a Purr: Prospects for the 2015 November Leonid Meteors

By David Dickinson - November 10, 2015 07:18 AM UTC | Observing
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Opportunity Rover Driving Between 'Lily Pads' in Search of Martian Sun and Science

By ken-kremer - November 09, 2015 05:21 PM UTC | Planetary Science
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Will We Contaminate Europa?

By Fraser Cain - November 09, 2015 02:11 PM UTC | Planetary Science
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Radio waves absent from the reputed megastructure-encompassed Kepler star?

By daniel-majaess - November 09, 2015 12:35 AM UTC | Exoplanets
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NASA Again Postpones Space Station Commercial Cargo Contract Awards, Boeing Out

By ken-kremer - November 06, 2015 09:11 PM UTC | Space Policy
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Weekly Space Hangout – Nov. 6, 2015: Astronaut Mike Massimino

By Fraser Cain - November 06, 2015 02:54 PM UTC | Site News
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Carnival Of Space #429

By susie - November 06, 2015 01:07 PM UTC | Site News
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NASA's MAVEN Orbiter Discovers Solar Wind Stripped Away Mars Atmosphere Causing Radical Transformation

By ken-kremer - November 05, 2015 10:32 PM UTC | Planetary Science
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Who Was Galileo Galilei?

By Matthew Williams - November 05, 2015 06:00 PM UTC | Physics
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How Long is a Day on Earth?

By Fraser Cain - November 05, 2015 02:56 PM UTC | Planetary Science
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Protecting Juno's Heart

By Evan Gough - November 04, 2015 02:35 PM UTC | Planetary Science
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Who was Christiaan Huygens?

By Matthew Williams - November 03, 2015 07:00 PM UTC | Physics
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Ion Propulsion: The Key to Deep Space Exploration

By Evan Gough - November 03, 2015 02:33 PM UTC | Space Exploration
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