The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, ...

The CosmicWatch device costs only $100 to make, making it accessible for both high school students and spacecraft operators.

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

Did mammoths, sabre-tooth tigers and other Ice Age megafauna face a similar, impact-induced fate to the dinosaurs? That’s ...