Add Yahoo as a preferred source to see more of our stories on Google. Long, long ago a cloud of stars circled a galaxy-size black hole, safely at a distance. Then about 200 million years ago one ...

For nearly a decade, some of the most dramatic explosions in the universe have been hiding in plain sight as brief, bright flashes of blue light. New observations now suggest these outbursts are not ...

(CNN) — Astronomers have detected an astonishing celestial object emitting bright flashes of radio waves and X-rays that last for two minutes and repeat every 44 minutes. In a fresh twist, the ...

A strange, ultra-bright flash in a distant galaxy has given astronomers their strongest hint yet that a new class of stellar catastrophe exists. The event, tagged ZTF25abjmnps and also known as ...

(CNN) — Astronomers have detected an astonishing celestial object emitting bright flashes of radio waves and X-rays that last for two minutes and repeat every 44 minutes. In a fresh twist, the ...

Residents around B.C. reported hearing a loud boom and seeing a bright flash of light in the sky Tuesday evening. Experts say ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...