How is water forming on the moon?

What the scientists are saying… The oldest ...

The Moon has a diameter of around a quarter that of Earth and travels around our planet in a circular orbit roughly every 27 days. But Earth also possesses a number of tiny co-orbital bodies – objects

The prospect of life on Mars – Earth’s planetary next-door neighbour, an alien world that betrays tantalising hints of a watery past – has bewitched humanity for centuries. From the ‘canals’ seen by a

I found your recent article Are We Aliens? (June, p62) very interesting. I noticed it mentioned that samples from the Mars Sample Return mission would “give us further clues” about the panspermia theo

Your dusty, distant destination awaits, with unique geology that reveals billions of years of cosmic collisions

Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports