No "Big Rip" in our Future: Chandra Provides Insights Into Dark Energy

By Nancy Atkinson - December 16, 2008 03:33 PM UTC | Cosmology

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How Many Stars are There in the Milky Way?

By Matthew Williams - December 16, 2008 02:42 PM UTC | Milky Way

The Milky Way Galaxy, our little corner of the Universe, is a pretty massive place, with an estimated 200-400 million stars (or more)

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Pegasus

By tammy-plotner - December 16, 2008 11:14 AM UTC | Stars

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Pavo

By tammy-plotner - December 16, 2008 07:40 AM UTC | Stars

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Possible Cryovolcanoes on Titan

By Nancy Atkinson - December 16, 2008 07:29 AM UTC | Planetary Science

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Russian Space Agency Getting Close to Cause of Re-entry Anomaly and Hard Landing

By ian - December 16, 2008 12:57 AM UTC | Space Exploration

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Amazing Close-up Images Show Enceladus is Changing

By Nancy Atkinson - December 15, 2008 09:33 PM UTC | Planetary Science

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The Neutral Hydrogen Gun: A New Solar Flare Phenomenon

By ian - December 15, 2008 07:21 PM UTC | Solar Astronomy

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"Clumpiness" of Mars Soil Clue to Climate Cycles

By Nancy Atkinson - December 15, 2008 03:56 PM UTC | Planetary Science

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U.S. Space-Launch Vehicle Technology – Viking to Space Shuttle

By Mark Mortimer - December 15, 2008 03:13 PM UTC | Space Exploration

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Orion

By tammy-plotner - December 15, 2008 10:26 AM UTC | Stars

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Podcast: Distance in Space, Changing Earth's Orbit, and Different Sized Stars

By astronomycast - December 14, 2008 02:45 PM UTC | Planetary Science

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Astronomers Now Looking For Exomoons Around Exoplanets

By ian - December 14, 2008 02:14 AM UTC | Exoplanets

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Bringing WIMP Theory into Question: Is There Another Dark Matter Explanation?

By ian - December 13, 2008 11:24 PM UTC | Physics

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What About the Space Exploration Crisis? NASA Budget Could be Cut to Save Money

By ian - December 12, 2008 09:56 PM UTC | Space Policy

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Nominations: The Universe Today Top 10 Scientific Endeavours of 2008

By ian - December 12, 2008 04:34 PM UTC | Site News

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Podcast: Sky Surveys

By astronomycast - December 12, 2008 02:43 PM UTC | Observing

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Ophiuchus

By tammy-plotner - December 12, 2008 01:18 PM UTC | Stars

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Weekend SkyWatcher's Forecast - December 12-14, 2008

By tammy-plotner - December 12, 2008 10:13 AM UTC | Observing

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The Christmas Star - Fact or Fiction?

By tammy-plotner - December 12, 2008 07:50 AM UTC | Stars

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Octans

By tammy-plotner - December 11, 2008 05:55 PM UTC | Stars

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Geminid Meteor Shower Peaks On December 13

By tammy-plotner - December 11, 2008 12:55 PM UTC | Observing

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Norma

By tammy-plotner - December 11, 2008 10:15 AM UTC | Stars

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Groundwater May Have Played Important Role in Shaping Mars

By Nancy Atkinson - December 11, 2008 07:25 AM UTC | Planetary Science

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Time Magazine Top 10 Scientific Discoveries of 2008: Space and Physics Dominate

By ian - December 11, 2008 04:51 AM UTC | Physics

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For the Last Time in Texas: Endeavour Pit-Stops at Fort Worth

By ian - December 11, 2008 01:29 AM UTC | Space Exploration

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Where In the Universe #33

By Nancy Atkinson - December 10, 2008 11:37 PM UTC | Observing

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HiRISE Wows Again, This Time in 3-D

By Nancy Atkinson - December 10, 2008 11:15 PM UTC | Planetary Science

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Venus and Mercury

By Fraser Cain - December 10, 2008 05:38 PM UTC | Planetary Science

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Mercury Retrograde

By Fraser Cain - December 10, 2008 11:02 AM UTC | Planetary Science

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Stuck in California: Shuttle Endeavour's Delayed Flight Home

By ian - December 10, 2008 04:01 AM UTC | Space Exploration

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Beyond Any Reasonable Doubt: A Supermassive Black Hole Lives in Centre of Our Galaxy

By ian - December 10, 2008 02:30 AM UTC | Black Holes

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Life on Mercury

By jcoffey - December 09, 2008 05:25 PM UTC | Astrobiology

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Carbon Dioxide Detected on Exoplanet HD 189733b

By ian - December 09, 2008 04:17 PM UTC | Exoplanets

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Pluto and Neptune

By Fraser Cain - December 09, 2008 02:15 PM UTC | Planetary Science

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What is the Weather Like on Neptune?

By Fraser Cain - December 09, 2008 01:18 PM UTC | Planetary Science

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Neptune Compared to Earth

By Fraser Cain - December 09, 2008 12:09 PM UTC | Planetary Science

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Neptune's Orbit

By Fraser Cain - December 09, 2008 11:54 AM UTC | Planetary Science

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Radius of Neptune

By Fraser Cain - December 09, 2008 11:42 AM UTC | Planetary Science

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Size of Neptune

By Fraser Cain - December 09, 2008 10:50 AM UTC | Planetary Science

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"Leap Second" to be Added to World Clocks

By Nancy Atkinson - December 09, 2008 07:12 AM UTC | Physics

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Hubble's Early Festivities: Imaging the M13 Globular Cluster "Snow Globe"

By ian - December 08, 2008 05:55 PM UTC | Stars

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Powerful Rivers of Gas Imaged Around Star-Forming Swan Nebula

By ian - December 08, 2008 04:57 PM UTC | Stars

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The Diameter of the Milky Way

By nick-wethington - December 08, 2008 03:16 PM UTC | Milky Way

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Musca

By tammy-plotner - December 08, 2008 01:46 PM UTC | Stars

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Monoceros

By tammy-plotner - December 08, 2008 06:27 AM UTC | Stars

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Cheers! Japanese Brewery Produces Space Beer... But What's the Point?

By ian - December 07, 2008 04:45 PM UTC | Space Exploration

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Constellation Development Pushes Ahead: Rocket Test Fire, Component Assembly

By ian - December 06, 2008 08:25 PM UTC | Space Exploration

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Exploding Colorado Fireball, 100 Times Brighter than the Moon (Video)

By ian - December 06, 2008 06:41 PM UTC | Planetary Science

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"Stairways" on Mars Lead to Clues on Cyclical, Moderate Climate

By Nancy Atkinson - December 06, 2008 07:59 AM UTC | Planetary Science

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