White dwarf ‘cannibal’ star ate its siblings

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

20 amazing answers t o curious

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

I think one of the most interesting things happening in astrophysics at the minute is the rapid development of new ways to study black holes. Whether it’s the virtuoso display of the Event Horizon Tel

I’M going to reveal something I might well regret, but here goes: I love Star Wars. Not sci-fi in general, but Star Wars specifically. And when I found out that I’d be the lucky custodian of a Polesta