News tagged with meteorite

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Two Solar System puzzles solved

Comets and asteroids preserve the building blocks of our Solar System and should help explain its origin. But there are unsolved puzzles. For example, how did icy comets obtain particles that formed at high ...

Jul 25, 2012
4.7 / 5 (7) 14 | with audio podcast

Extensive water in Mars' interior

Until now, Earth was the only planet known to have vast reservoirs of water in its interior. Scientists analyzed the water content of two Martian meteorites originating from inside the Red Planet. They found ...

Jun 21, 2012
4.6 / 5 (16) 13 | with audio podcast

Mars orbiter catches twister in action

(PhysOrg.com) -- An afternoon whirlwind on Mars lofts a twisting column of dust more than half a mile (800 meters) high in an image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's ...

Mar 08, 2012
5 / 5 (11) 3 | with audio podcast

The Earth's new water budget

Investigating the history of water on Earth is critical to understanding the planet's climate. One central question is whether Earth has always had the same amount of water on and surrounding it, the same ...

Mar 05, 2012
4.7 / 5 (7) 9 | with audio podcast

The fireballs of February

In the middle of the night on February 13th, something disturbed the animal population of rural Portal, Georgia. Cows started mooing anxiously and local dogs howled at the sky. The cause of the commotion was ...

Feb 23, 2012
4.7 / 5 (7) 11 | with audio podcast