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Planetary Science

WOW: Mercury Like You've Never Seen It Before

Posted 02.24.2013 | Science

By: Miriam Kramer Published: 02/23/2013 06:35 AM EST on SPACE.com A new video by a NASA spacecraft orbiting Mercury is showing the closest planet ...

Front-Runner Emerges In Moon-Naming Vote

Reuters | Posted 04.23.2013 | Science

(Reuters) - "Star Trek" star William Shatner and tens of thousands of the show's fans are leading a charge to name one of Pluto's newly discovered moo...

Quit Calling Them 'Earth-Like' Planets

| Posted 12.26.2012 | Science

By Caleb A. Scharf This year has been a spectacular one for exoplanets. New discoveries and new insights have truly pushed the gateway to other world...

Potentially Habitable Planet Found Orbiting Nearby Star

Posted 02.17.2013 | Science

By: Mike Wall Published: 12/19/2012 12:06 AM EST on SPACE.com A sun-like star in our solar system's backyard may host five planets, including one ...

Newfound Alien Planet May Be Just Right For Life

Posted 11.09.2012 | Science

By: Mike Wall Published: 11/07/2012 07:09 PM EST on SPACE.com Astronomers have detected an alien planet that may be capable of supporting life as ...

Powerful Saturn Storm Keeps On Surprising Scientists

Posted 10.27.2012 | Science

By: SPACE.com Staff Published: 10/26/2012 10:54 AM EDT on SPACE.com A massive storm that encircled Saturn nearly two years ago was even more power...

New Satellite To Hunt For Alien Super-Earths

Posted 10.22.2012 | Science

By: SPACE.com Staff Published: 10/19/2012 03:54 PM EDT on SPACE.com The European Space Agency will launch a new satellite in 2017 to study super-E...

Curiosity Rover Digs Up Shiny Particles on Mars

Posted 10.22.2012 | Science

By: SPACE.com Staff Published: 10/18/2012 10:14 AM EDT on SPACE.com NASA's Mars rover Curiosity has found some more bright stuff on the Red Planet...

Itty-Bitty Alien Solar System Discovered

Posted 10.16.2012 | Science

By: Charles Q. Choi Published: 10/15/2012 03:31 PM EDT on SPACE.com The most crowded alien planetary system found yet possesses five worlds all or...

Scientists Square Off Over Mystery Of 'Missing' Gas

| Posted 10.11.2012 | Science

By Ewen Callaway and Nature magazine The evidence is in every breath of air, but answers are harder to come by. Xenon, the second heaviest of the ch...

Astronomers Discover Unimaginably Large Diamond In Space

Reuters | Posted 12.11.2012 | Science

By Chris Wickham LONDON (Reuters) - Forget the diamond as big as the Ritz. This one's bigger than planet Earth. Orbiting...

What Vast Dust Plume Portends For Superhot Alien World

Posted 09.05.2012 | Science

By: SPACE.com Staff Published: 09/05/2012 11:44 AM EDT on SPACE.com Astronomers have found a dusty tail streaming off a faraway alien planet, sugg...

Vast Landslides On Icy Moon May Hold Clues To Earth Geology

Posted 07.30.2012 | Science

By: Nola Taylor Redd Published: 07/30/2012 01:03 PM EDT on SPACE.com Long landslides spotted on Saturn's moon, Iapetus, could help provide clues...

Unseen Object Lurks At Solar System's Edge, Scientist Conjectures

Posted 05.25.2012 | Science

By: Natalie Wolchover Published: 05/22/2012 12:54 PM EDT on Lifes Little Mysteries A planet four times the size of Earth may be skirting the edges...

NEXT MONTH: Rare Celestial Event May Kickstart Search For Alien Planets

Posted 05.16.2012 | Science

By: Mike Wall Published: 05/16/2012 01:04 PM EDT on SPACE.com Observations of next month's historic Venus transit may eventually help astronomer...

PHOTO: Saturn And Its Moons In Glorious Hi-Def

Posted 05.04.2012 | Science

The international Cassini spacecraft mission is a match made in heaven: it pairs advanced imaging technology with Saturn, arguably our most photogenic...

THIS WEEK: See Venus At Its Most Brilliant

Posted 04.27.2012 | Science

By: Geoff Gaherty Published: 04/27/2012 01:59 PM EDT on SPACE.com Step outside any night this week about an hour after sunset and have a look at...

TONIGHT: Skywatchers' Last Chance To See Jupiter For Long Time

Posted 04.22.2012 | Science

By: Joe Rao Published: 04/20/2012 06:22 PM EDT on SPACE.com Jupiter will end its brilliant year-long show on Sunday evening (April 22) by making...

Cosmic Mystery Deepens As 'Dark Matter' Study Yields Big Surprise

Posted 04.19.2012 | Science

By: Charles Q. Choi Published: 04/19/2012 10:00 AM EDT on SPACE.com A new study has found no trace of the mysterious substance known as dark matte...

TONIGHT: Prime Time For Viewing Venus In Evening Sky

Posted 04.14.2012 | Science

By: Joe Rao Published: 04/13/2012 08:36 PM EDT on SPACE.com The planet Venus is now at its peak of visibility in the evening sky this weekend, mak...

LOOK: First Photo Of Auroras On Uranus

| Sid Perkins | Posted 04.14.2012 | Science

WASHINGTON – For the first time, scientists have captured images of auroras above the giant ice planet Uranus, finding further evidence of just how ...

THIS WEEKEND: Best Time To See Saturn

Posted 04.13.2012 | Science

By: Geoff Gaherty Published: 04/11/2012 05:04 PM EDT on SPACE.com When amateur astronomers reflect on the most memorable sights of their lifetim...

A Turning Point at Mars

Jim Bell | Posted 06.09.2012 | Science
Jim Bell

The time has come, from both a scientific and exploration standpoint, for NASA to embark on a robotic mission to bring rock and soil samples back from Mars, but the Agency -- and the administration -- appear to be shying away from the challenge.

LOOK: Scientists Explain Weird 'Animal Face' On Mars

Posted 04.09.2012 | Science

It looks as if scientists have finally caught a glimpse of life on Mars—well, at least something that looks like life. NASA's Mars Reconnaissance Or...

Robot Submarine On Jupiter's Moon Is 'Holy Grail' In Search For Life

Posted 05.25.2012 | Science

By: Mike Wall Published: 03/23/2012 06:03 PM EDT on SPACE.com Sending a submarine to the bottom of the ocean on Jupiter's icy moon Europa is the m...