Called Olbers’ paradox, the seemingly simple mystery of the sky’s darkness is something that stumped astronomers for ...

Some stars may transform into black holes without exploding into supernovae. Now, astronomers have finally spotted it as it ...

For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest ...

Discover the explosive end of a star's life—supernovas. Learn what causes these cosmic events and their impact with ...

You can catch the pair in the early-morning sky, where our satellite occults the star for observers in the eastern half of Canada and the U.S. They are rising together in the east by 3:45 A.M ...