The case for alien life

Only one planet has been proven to support life: Earth. But evidence is mounting that we are not alone. Biogeochemist Ariel Anbar and astrophysicist Steven Desch, professors in ASU's School of Earth and Space Exploration, ...

New analysis suggests wind, not water, formed mound on Mars

A roughly 3.5-mile high Martian mound that scientists suspect preserves evidence of a massive lake might actually have formed as a result of the Red Planet's famously dusty atmosphere, an analysis of the mound's features ...

Curiosity rover explores 'Yellowknife Bay'

(Phys.org)—After imaging during the holidays, NASA's Mars rover Curiosity resumed driving Jan. 3 and pulled within arm's reach of a sinuous rock feature called "Snake River."

Greenland's viking settlers gorged on seals

Greenland's viking settlers, the Norse, disappeared suddenly and mysteriously from Greenland about 500 years ago. Natural disasters, climate change and the inability to adapt have all been proposed as theories to explain ...

Can humans live on Mars?

Metallic robots constructed by ingenious humans can survive on Mars. But what about future human astronauts?

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