Impact Craters : Discovery News

Weirdest Mars Craters: Photos

Posted Fri Dec 30, 2011 07:00 AM ET | 0

Mars has its fair share of craters -- but which ones are just plain weird looking? Read more

Mars Crater Shows Its (False) Colors: Big Pic

Posted Mon Oct 31, 2011 08:00 AM ET | 0

This photo could be the colors of the iridescent mother of pearl found inside an oyster shell -- but it's certainly not of this planet. Read more

New Digs for Old Mars Rover

Posted by Irene Klotz Fri Sep 2, 2011 08:08 PM ET | 0

Opportunity, NASA’s long-lived Martian robotic workhorse, has started a new round of studies at a place unlike anything seen before on Mars. Read more

Why Does that Martian Crater have a Hole?

Posted Tue Aug 30, 2011 11:20 PM ET | 0

On the slopes of the vast Martian shield volcano Pavonis Mons, a rather odd-looking crater resides. Read more

Has Earth Brand™ Life Seeded the Galaxy?

Posted by Ian O'Neill Mon Aug 22, 2011 04:39 PM ET | 0

Ejecta kicked into space from impacts on the Earth's surface appear to travel much further than anyone predicted -- but could it be a life-spreading mechanism to other star systems? Read more

Mars Rover Opportunity Arrives at Endeavour Crater

Posted by Ian O'Neill Thu Aug 11, 2011 02:02 AM ET | 0

After a three-year marathon across Marian terrain, the tenacious Mars Exploration Rover Opportunity has arrived at a vast impact crater called Endeavour. Read more

Mars Rover Opportunity Arrives at Endeavour Crater

Earth May Have Had Two Moons

Posted Thu Aug 4, 2011 10:27 AM ET | 0

A new theory suggests the two moons then crashed together, forming our current moon. Read more

No 'Nemesis' Boosting Comet Impacts

Posted by Ian O'Neill Mon Aug 1, 2011 12:24 PM ET | 0

The idea that there may be a stellar twin patrolling the outermost regions of the solar system, scattering Oort Cloud objects, may be the result of statistical error. Read more

A Lunar Sunrise Over Tycho's Mountains : Big Pics

Posted Thu Jun 30, 2011 08:22 PM ET | 0

NASA's Lunar Reconnaissance Orbiter captures a dazzling view of the morning sun over the moon's Tycho Crater. Read more

100 Years Ago, a Chunk of Mars Hit Egypt (and a Dog)

Posted by Ian O'Neill Tue Jun 28, 2011 08:11 PM ET | 0

On June 28, 1911, an explosion shook the Nakhla region of Alexandria in Egypt at 9 a.m. According to an eyewitness account, a dog perished in the resulting meteorite fall. Read more

100 Years Ago, a Chunk of Mars Hit Egypt (and a Dog)

Last Line of Asteroid Impact Defense: Evacuation

Posted by Ian O'Neill Fri May 13, 2011 02:10 PM ET | 0

Sometimes, Earth just needs to take one for the team. But how can we mitigate the worst an asteroid impact can inflict? Read more

The Incredible Shrunken Mercury

Posted by Irene Klotz Wed Mar 16, 2011 01:45 PM ET | 0

What's it like on a planet where a year is three months long and the sun is 11 times brighter than on Earth? We're about to find out. Read more

Mars Orbiter Snaps Rover's Crater Progress : Big Pic

Posted Wed Mar 9, 2011 09:29 PM ET | 0

Just before Mars rover Opportunity leaves "Santa Maria" crater to continue its epic journey to Endeavour crater, the ever-watchful NASA Mars Reconnaissance Orbiter snaps the wheeled robot from orbit. Read more