One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

The James Webb Space Telescope has picked up the light from a massive star that exploded about a billion years after the birth of the universe ...

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...

V1674 Herculis was a record-breaker. It erupted in the constellation Hercules on June 12, 2021, and skyrocketed to peak ...

Space scientists have just released spectacular images documenting the death of a star, a process that has been continuously ...

Astronomers used to rely on chance to catch a glimpse of fleeting explosions in space. A fresh approach to watching these ...

Ex-Google CEO Eric Schmidt aims to fly the first private space telescope by 2029. Will it pave the way for more private ...