In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...

Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe.

On a research trip up to a cemetery in Eldora, Amy Davis and Rikki Diana Pauley saw something strange in the night sky. “She notices it first, and then it blinked,” Davis said. “Almost ...

A cosmic rose blossoms amidst a field of stars in this deep space vista from astrophotographer Ronald Brecher, which captures the ancient light of the star-forming region as it glows in the ...

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...