In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely ...

Fossils are one of the major ways scientists can have windows to what happened in the past. The biology and chemistry of ancient Earth is locked up in these primitive time capsules, giving great ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

Over the roughly 4.5 billion years of Earth's existence, there have been several periods were biodiversity has been nearly wiped out - extinction events. There have been several proposals to explain ...

Astronomers have spotted AT2025ulz, a rare dual explosion — a supernova and a kilonova — that may be the first-ever observed ...

For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from ...

University of Warwick astronomers have discovered an extremely rare, high-mass, compact binary star system only ~150 light years away. These two stars are on a collision course to explode as a type 1a ...

The universe often behaves in human-like ways. Gluttonous stars can swallow too much material and end up exploding in a rather dramatic fashion. NASA’s Chandra X-ray observatory recently caught a ...

A paper released this week by University of Illinois Urbana-Champaign astronomy and physics professor Brian Fields makes a case for distant supernovae as a cause of a past mass extinction ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. This article is more than 4 years old. The Carina Nebula, with Eta ...