The largest of three newly found ring shaped structures in the cosmos are almost a million light-years across.

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

Three enormous and peculiar radio light rings were discovered far, far outside our own galaxy, shedding more light on one of ...

The James Webb Space Telescope (JWST) has discovered phosphine in the atmosphere of a brown dwarf — the same chemical that ...

Researchers at Chalmers University of Technology in Sweden and the US space agency NASA have made an unexpected discovery ...

With help from citizen scientists, astronomers have found the most powerful and distant "odd radio circle" ever detected.

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a key prediction from Albert Einstein's theory of general relativity and ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

For the past decade, gravitational wave astronomy has opened our eyes to amazing cosmic phenomena thanks to LIGO, the Laser Interferometer Gravitational-wave Observatory. Bob McDonald celebrates LIGO ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Introduction: the natural history of the heavens and the natural history of discovery -- Part I. Entrée: 1. The Pluto affair -- Part II. Narratives of Discovery: 2. Moons, rings, and asteroids: ...