News tagged with impact craters

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Exhumed rocks reveal Mars water ran deep

(Phys.org) -- By studying rocks blasted out of impact craters, ESA’s Mars Express has found evidence that underground water persisted at depth for prolonged periods during the first billion years of the ...

Jun 28, 2012
5 / 5 (4) 11 | with audio podcast

Impacts could be boon for subterranean life

An incoming asteroid is trouble whether you're a dinosaur or a Bruce Willis fan. But microbes living deep underground may actually welcome the news, according to a recent study of an ancient impact in the ...

Apr 16, 2012
4.8 / 5 (5) 4 | with audio podcast

Viking 1 examines Mars' Ophir Chasma

During its examination of Mars, the Viking 1 spacecraft returned images of Valles Marineris, a huge canyon system 5,000 km, or about 3,106 miles, long, whose connected chasma or valleys may have formed from ...

Aug 23, 2011
5 / 5 (2) 0