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 ...

Unexpected flashes of light in your eye can be alarming, and in many cases, it’s something that should be discussed with your doctor as soon as possible. That said, these bright flashes are not always ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

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 ...

Japanese astronomer Daichi Fujii captured two bright flashes on the Moon, the result of meteors hitting the lunar surface at incredible speeds. These events, though fleeting, captivated astronomy ...

A newly tracked asteroid could strike the Moon in 2032, triggering bright flashes, lunar debris, and rare meteor storms on ...

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 ...

Long, long ago a cloud of stars circled a galaxy-size black hole, safely at a distance. Then about 200 million years ago one member of the cloud bumped another, a sun-size star, and sent it toward the ...

(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 ...