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

Amazing answers to your curious questions

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

What would you say if intelligent aliens came calling?

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

Mass extinctions are a widespread and rapid loss of life on Earth, typically in response to some kind of global catastrophe or change in climate. These events have occurred throughout Earth’s history