Dawn mission discovers hydrogen on giant asteroid Vesta (w/ Video)

(Phys.org)—The first measurements of the elemental composition of the surface of the giant asteroid Vesta indicate that hydrogen was brought to the body by impactors, research by a team led by Planetary Science Institute ...

New analysis of clay deposits in ancient Martian Lakes

Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue comes from clay ...

LRO observes final lunar eclipse of the year

(PhysOrg.com) -- Orbiting 31 miles above the lunar surface, NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft will get a "front-row seat" to the total lunar eclipse on Dec. 10, 2011.

Long-distance communication, microbial style

Scientists knew that the microbe Shewanella oneidensis transformed the electronic structure of the iron oxide it touched in the ground as well as without direct contact. Scientists from Pacific Northwest National Laboratory ...

Scientist's Award Allows Her To Probe the Earth's Mantle

(PhysOrg.com) -- Sandwiched between the liquid iron outer core and the thin rocky crust we live on, the Earth's mantle is more than 1,800 miles thick, and comprises more than three-quarters of the planet's volume and nearly ...

ASU instrument plays key role in NASA mission

(PhysOrg.com) -- An instrument designed at Arizona State University to identify and map the minerals on the surface of an asteroid is a key element in a new NASA mission-concept. Philip Christensen, in the School of Earth ...

Scientists closer to making implantable bone material

(PhysOrg.com) -- Scientists are closer to understanding how to grow replacement bones with stem cell technology, thanks to research published today in the journal Nature Materials.

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