Astronomers have detected the most distant and powerful odd radio circle known. These mysterious objects were first spotted ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

ORCs are among the most bizarre and beautiful cosmic structures that may hold vital clues about how galaxies and black holes ...

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

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Astronomers have identified a rare odd radio circle — twin rings surrounding a galaxy 7 billion light-years away.

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

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

Citizen scientists have discovered three new odd radio circles (ORCs) in distant galaxy clusters, including the most powerful and distant twin ORCs ever seen.

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

A new look at radio maps of the sky shows a pronounced tilt, called a dipole, that astronomers are still unable to explain ...

ORCs are vast, faint rings of radio energy that surround galaxies and can be detected only in radio wavelengths of the electromagnetic spectrum. They are made up of fast-moving, magnetized plasma.