Out of this world

‘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

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

20 amazing answers t o curious

Imagine an early human out on the savannah, stepping away from the evening fire, glancing up at the dark sky and being totally captivated by the tiny, twinkling sparks dotted everywhere. Eyes wide, he

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

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