New Study Helps Answer Mystery of What Happened to Mars' Early Atmosphere

Mars used to have a thicker atmosphere and water on its surface. Image Credit: M. Kornmesser/ESO

Mars used to have a thicker atmosphere and water on its surface, but what happened to that atmosphere has been a mystery. New research may finally help answer that question. Image Credit: M. Kornmesser/ESO

The question of how Mars changed from a once wet world to the much colder and drier one we see […]

60,000 Laps and Counting, NASA's Odyssey Spacecraft Still Going Strong After 14 Years at Mars

An artist's concept of NASA's Mars Odyssey spacecraft orbiting Mars. The spacecraft, which arrived at the Red Planet in 2001, surpassed its 60,000th orbit as June 23, 2015, and it still going strong. Image Credit: NASA/JPL

An artist’s concept of NASA’s Mars Odyssey spacecraft orbiting Mars. The spacecraft, which arrived at the Red Planet in 2001, surpassed its 60,000th orbit as of June 23, 2015, and it is still going strong. Image Credit: NASA/JPL

It’s no secret that the various spacecraft NASA sends out across the Solar System on our […]

NASA Student Mars Project Wins Education Award

Since its launch in April 2001, and arrival at its destination six months later, Mars Odyssey has proven one of NASA’s most valuable emissaries to the Red Planet. Its reach has enabled it to scan the Martian seasons, communicate with surface rovers … and draw students of all ages into its mission of scientific […]

Past Oceans on Mars? Maybe - Maybe Not

Did Mars once have oceans? Dueling theories provide conflicting pasts for the Red Planet. Image Credit: NASA / Goddard Space Flight Center

The debate over the history of water on Mars first began even before the first spacecraft flew by the planet. But after Mariner 4 scientists learned that Mars was currently devoid of […]