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.

Water, Water Everywhere, but Not All Drops Have Life

The search for life on other planets focuses on water, but researchers argue that - judging from our own planet - a large fraction of water conditions may be inhospitable to life.

New Drake equation to quantify habitability?

Researchers from the Open University are laying the groundwork for a new equation that could mathematically quantify a habitat's potential for hosting life, in a similar way to how the Drake equation estimates the number ...

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 ...

Image: Mawrth Vallis Martian mosaic

Sculpted by ancient water flowing on the surface, Mawrth Vallis is one of the most remarkable outflow channels on Mars. The valley, once a potentially habitable place, is one of the main features of a region at the boundary ...

First rock dating experiment performed on Mars

Although researchers have determined the ages of rocks from other planetary bodies, the actual experiments—like analyzing meteorites and moon rocks—have always been done on Earth. Now, for the first time, researchers ...

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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