A rare astronomical event, a nova explosion, could be visible in the night sky soon. It won't occur again for several decades ...

A nova, a rare astronomical event, could be visible soon. It won't last long, and it won't occur again for several decades. How to see it in 2024.

The nova should be easy spot if you know where to look, say experts, and shine about as brightly as the north star. "It's going to be very, very obvious," Hounsell said.

By using light to emulate the structure of space-time, researchers can better understand black holes – and the exotic objects ...