It's the last clearly observed supernova in the Milky Way, Gassel said.

Across the sky, astronomers are stitching together vast samples of galaxies to understand how often supermassive black holes ...

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is ...

"We found something never seen before and, more importantly, entirely unexpected," team leader Simone Scaringi of Durham ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow ...

NASA has released an unprecedented time-lapse video showing the evolution of Kepler’s Supernova Remnant, a cosmic relic of a ...