Microbial life on Mars: Could saltwater make it possible?

(PhysOrg.com) -- How common are droplets of saltwater on Mars? Could microbial life survive and reproduce in them? A new million-dollar NASA project led by the University of Michigan aims to answer those questions.

Human influence detected in changing seasons

For the first time, scientists from Lawrence Livermore National Laboratory (LLNL) and five other organizations have shown that human influences significantly impact the size of the seasonal cycle of temperature in the lowest ...

Amazon carbon sink threatened by drought

The Amazon is surprisingly sensitive to drought, according to new research conducted throughout the world's largest tropical forest. The 30-year study, published today in Science, provides the first solid evidence that drought ...

NASA's Webb Telescope will survey Saturn and Titan

If you stop a random person on the sidewalk and ask them what their favorite planet is, chances are their answer will be Saturn. Saturn's stunning rings are a memorable sight in any backyard telescope. But there is still ...

White cheeks are more titillating

Male blue tits with white cheeks are healthier and more likely to mate with higher quality partners than their counterparts with duller cheek feathers. Having purer white cheeks also indicates that a blue tit was better able ...

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