Black holes are usually surrounded by disks of very, very bright, very hot material. And that's how we find them. Black holes themselves give off no radiation at all. Any light gets absorbed into the ...

What if our biggest idea about reality is built on a hidden misunderstanding? A new philosophical look at space-time challenges the popular view that the past, present, and future all exist together ...

The universe doesn’t care about your intuitions. It operates according to rules so bizarre, so counter to everyday experience, that even the physicists who discovered them struggled to believe what ...