News tagged with planetary science

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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

NASA's Mars rover two weeks from landing

(Phys.org) -- NASA's most advanced planetary rover is on a precise course for an early August landing beside a Martian mountain to begin two years of unprecedented scientific detective work. However, getting ...

Jul 17, 2012
4.7 / 5 (7) 15 | with audio podcast

Human hands leave prominent ecological footprints

Early human activity has left a greater footprint on today's ecosystem than previously thought, say researchers working at the University of Pittsburgh and in the multidisciplinary Long Term Ecological Research (LTER) Network, ...

Jun 01, 2012
5 / 5 (3) 3 | with audio podcast

Greenland's current loss of ice mass

The Greenland ice sheet continues to lose mass and thus contributes at about 0.7 millimeters per year to the currently observed sea level change of about 3 mm per year. This trend increases each year by a further 0.07 millimeters ...

May 29, 2012
5 / 5 (5) 0