Archive: 6/12/2012

What is creating gullies on Vesta?

(—In a preliminary analysis of images from NASA's Dawn mission, scientists have spotted intriguing gullies that sculpt the walls of geologically young craters on the giant asteroid Vesta. Led by Jennifer Scully, ...

dateDec 06, 2012 in Space Exploration
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Study: Large, old trees in decline

(—The largest living organisms on the planet, the big, old trees that harbour and sustain countless birds and other wildlife, are dying. A report by three of the world's leading ecologists in today's issue of the ...

dateDec 06, 2012 in Environment
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Little telescope spies gigantic galaxy clusters

(—Our solar system, with its colorful collection of planets, asteroids and comets, is a fleck in the grander cosmos. Hundreds of billions of solar systems are thought to reside in our Milky Way galaxy, which is ...

dateDec 06, 2012 in Astronomy
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Stem cell pioneer sues Nobel assembly in US

A pioneer of stem cell research is suing the assembly that awards the Nobel medicine prize, in a first such lawsuit, over claims it made about this year's winners, a spokeswoman said Thursday.

dateDec 06, 2012 in Other
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