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 ...

Astronomers are watching a rare stellar system on the brink of eruption. When it explodes, it could become visible to the naked eye in dramatic fashion. Discover why this once-in-a-lifetime event has ...

Astronomers recently watched a massive star die, but fail to explode as a supernova. Instead, it collapsed directly into a black hole, slowly expelling its turbulent outer layers in the process. This ...

Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable sighting is the most complete observational record ever made of a star's ...

Theory shows that stars can collapse directly into black holes without first exploding as supernovae. In fact, this should be a relatively common occurrence. But despite that, astronomers have found ...

Many of the early exoplanet discoveries were exciting on their own, confirming that there really were strange new worlds out in the Universe. But over time, our focus has shifted more toward numbers, ...