For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

The extraordinary event temporarily shut down equipment at the ALMA Observatory, and the snow reached the telescope's main ...

Admire our galaxy’s dramatic galactic core—a sparkly bulge of stars and gas—while summer’s short ‘Milky Way season’ lasts ...