A sprinkling of cosmic dust may have helped kick-start life on earth

Where did life on Earth begin? That sounds like a relatively straightforward question. Surely life on Earth began… well, on Earth, right? We know this planet had the right conditions for life to arise

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The discovery of buried ‘mud waves’ off the ...

What would you say if intelligent aliens came calling?

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Mars once had vast oceans on its surface. Then its magnetic field weakened, its atmosphere thinned, and its water vanished. But the numbers don’t add up. For the Red Planet to have transformed from a