Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Astronomers describe the discovery of the largest-known stream of super-heated gas in the universe ejecting from a nearby ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

NASA has released a decades-long video showing Kepler’s supernova remnant evolving in X-rays, using Chandra Observatory data ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

Astronomers working with the Hubble Space Telescope have identified an entirely new type of cosmic object. It is a cloud rich ...

University of California, Irvine astronomers have announced the discovery of the largest-known stream of super-heated ...

One may easily regard oneself as no more than a speck compared to the universe. Thirteen and eight-tenths billion years after ...

Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

A newly-discovered galaxy cluster could rewrite our understanding of the cosmos, as scientists spot 'something the universe ...

I/ATLAS discovery shocks scientists as the interstellar visitor exposes major blind spots in Earth's planetary defence and ...