The aftermath of a supernova, a stellar explosion, is usually a slowly fading cloud of hot gas. So when astronomers pointed ...

Scientists have uncovered fresh clues about a distant and ancient supernova, offering a deeper look into how these powerful cosmic events evolve over time. Using advanced observations from NASA’s ...

Astronomers have discovered a strange new signal coming from an exploding star — a “chirp” that speeds up over time, similar to the signals seen when black holes collide. The unusual pattern appeared ...

An international team analyzed data from NASA's Fermi space telescope and detected gamma rays from a rare and exceptionally ...