What do you weigh on other worlds?

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi

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

20 amazing answers t o curious

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

Mars is a pretty horrible place for any creature used to life on Earth. The average surface temperature is -63°C (-81°F) and doesn’t reach above freezing anywhere except right on the equator, during t

‘The universe is a pretty big place. If it’s just us, it seems like an awful waste of space,’ wrote the American astronomer and author Carl Sagan in his book, Contact. Ever since humans first huddled