When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

A star thousands of times larger than the Sun just underwent a dramatic transformation that's a prelude to catastrophe.

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Britons are using so much “laughing gas” recreationally that explosions of nitrous oxide containers are ...

Q: I read your article on trees splitting in the cold, and I thought you might like a photo from our tree near Rochester, Minn. This linden splits a little each winter but heals up in the spring. — ...

There are some pretty crazy ways that animals and insects defend themselves. And some insects prioritize the health of the group over their own safety. Although it is a drastic measure, some ants are ...