Hunting for hidden life on worlds orbiting old, red stars

All throughout the universe, there are stars in varying phases and ages. The oldest detected Kepler planets (exoplanets found using NASA's Kepler telescope) are about 11 billion years old, and the planetary diversity suggests ...

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 ...

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.

Mine craft for Mars

If there are habitable conditions on Mars, they may be underground. Scientists from around the world are now testing how to live on other planets by venturing a kilometre beneath the surface in a UK mine. ESA astronaut Matthias ...

The long shot of life elsewhere

Recent research suggests that there may be as many as 40 billion habitable planets in our galaxy. A number that large has some scientists speculating that the universe might be teeming with life.

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