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Planetary Science

'Warp Speed' Planets Hit 30 Million Miles An Hour, Study Shows

Posted 03.24.2012 | Science

By: Denise Chow Published: 03/23/2012 03:55 PM EDT on SPACE.com Planets in tight orbits around stars that get ejected from our galaxy may actual...

WATCH: Jupiter Moon's Crazy Volcanic Past Visible In New Map

Posted 03.22.2012 | Science

Look out, Google Earth. Scientists at the U.S. Geological Survey (USGS) have produced the most detailed map yet of Io, revealing Jupiter's large moon ...

WATCH: Moon's Fiery Five-Million Year History In Three Minutes

Posted 03.15.2012 | Science

How did the 'man in the moon' take shape? A new NASA video on lunar evolution explains the process, from the moon's beginnings as a ball of magma to t...

Apollo Astronaut Puts Spotlight On Looming Asteroid Risk

Posted 03.13.2012 | Science

By: Leonard David Published: 03/12/2012 06:09 PM EDT on SPACE.com A massive asteroid that may be on a collision course with Earth should be stud...

WATCH: 'Armageddon' Nuke Plan Eyed For Saving Earth From Asteroid

Posted 03.12.2012 | Science

By: Mike Wall Published: 03/12/2012 11:33 AM EDT on SPACE.com A well-placed nuclear explosion could actually save humanity from a big asteroid h...

WATCH: Venus Rocked By Huge Explosions

Posted 03.06.2012 | Science

SPACE.com Staff Date: 06 March 2012 Time: 07:00 AM ET Strange, gigantic explosions fueled by solar energy detonate just above the surface of Ven...

Study Offers Surprising New Twist On Story Of Earth's Origins

Posted 03.02.2012 | Science

By: Clara Moskowitz Published: 03/01/2012 02:31 PM EST on SPACE.com Earth's building blocks were more eclectic than once thought, according to ...

Milky Way Awash In Starless 'Rogue' Planets, Study Suggests

Posted 02.26.2012 | Science

By: SPACE.com Staff Published: 02/24/2012 11:44 AM EST on SPACE.com Our Milky Way galaxy may be teeming with rogue planets that ramble through s...

Unusual Alien Super-Earth May Be First 'Waterworld'

Posted 02.22.2012 | Science

By: SPACE.com Staff Published: 02/21/2012 11:33 AM EST on SPACE.com Scientists have discovered a new type of alien planet — a steamy waterworl...

Lunar Surface 'Scars' Raise Questions About How Moon Formed

Posted 02.21.2012 | Science

By: Charles Q. Choi Published: 02/21/2012 07:17 AM EST on SPACE.com The moon's crust was apparently active far more recently than previously bel...

Is Venus Slowing Down?

Posted 02.13.2012 | Science

By Sid Perkins ScienceNow (Click here for the original article.) Venus, our closest planetary neighbor, has the slowest rotational period of an...

Cara Santa Maria

WATCH: Happy Birthday Carl Sagan

HuffingtonPost.com | Cara Santa Maria | Posted 01.09.2012 | Education

You were a great man. Your work continues to inspire a whole new generation of thinkers. You are missed. Happy birthday, Dr. Carl Sagan.

Life at the SETI Institute: Rachel Mastrapa - Paving the Way for Astronomical Discoveries

SETI Institute | Posted 10.29.2011 | Technology
SETI Institute

By Dr. Rachel Mastrapa; Carl Sagan Center for the Study of Life in the Universe, SETI Institute, and Gail Jacobs Rachel Mastrapa studies the surface ...

Robots vs. Humans: Should we cede solar system exploration to the robots? Do humans have a place beyond low Earth orbit?

SETI Institute | Posted 09.17.2011 | Technology
SETI Institute

By Dr. Cynthia B. Phillips Research Scientist, SETI Institute The final mission of Space Shuttle Atlantis has spawned a whole series of perspective p...

Life at the SETI Institute: Jean Chiar, Studying the Origins of Everything

SETI Institute | Posted 05.25.2011 | Technology
SETI Institute

By Gail Jacobs Not everyone is aware that the space between the stars isn't exactly empty. These vast interstellar tracts are filled with a fog of ic...