Two nova stars were expected to completely merge in 2022. The resulting explosion ("a Red Nova") would have been visible to the naked eye

The Event Horizon Telescope has captured another unprecedented image, this time resolving a quasar jet spewing material from a nearly 1-billion-solar-mass black hole named 3C 279…

139 new minor planets found thanks to a new technique that could reveal thousands more objects in the outer solar system

The search for an exotic dark matter candidate (the sterile neutrino) falls flat

Space-grown lettuce is as safe and nutritious as Earth lettuce, new research shows

A brainless, single-celled organism called slime mold (which has a knack for finding food) has inspired an algorithm that's helping astronomers map the large-scale structure of the universe's dark matter.

Physicists have discovered a new particle — dubbed X17 — that requires the existence of a fifth force of nature.

Astronomers have spotted the biggest explosion ever seen in the universe

Hubble Just Spotted Something Massive Coming Out of Uranus

Hubble finds the Sombrero galaxy had a surprisingly turbulent past