The quest for inhabited habitable planets

Which came first: life or habitability? Although this question seems at first sight contradictory, a new paper by Colombian researchers is bringing to the attention of astrobiologists a classical conundrum: Is life also required ...

NASA designs new space telescope optics

Although hundreds of planets orbiting other stars have been discovered in the past 15 years, we cannot yet answer the age-old question of whether any of these planets are capable of sustaining life. However, new NASA technology ...

High planetary tilt lowers odds for life?

Highly-tilted worlds would have extreme seasons, subjecting life to alternating periods of scorching and subzero temperatures. This could make the development of all but hardiest, simplest creatures a long shot.

Rover arrives at new site on martian surface

(PhysOrg.com) -- After a journey of almost three years, NASA's Mars Exploration Rover Opportunity has reached the Red Planet's Endeavour crater to study rocks never seen before.

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