MONTREAL — Astronomers have made a perplexing discovery that’s pushing the boundaries of what we know about mysterious cosmic signals. Using specialized telescopes, they’ve detected powerful radio ...

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

Fast radio bursts, strong pulses of energy detected in radio-wave frequencies, may be a common phenomenon in the cosmos, but ...

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

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Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals, according to new research. The source of the ...

The radio halo coming from Abell 1213 is somewhat of a puzzle to astronomers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A puzzling radio ...

NASA published a snapshot this week of a strange and beautiful galaxy. It’s so weird that NASA officials say it’s one of only five such galaxies known to exist in the universe. But, even stranger ...

With their extremely strong magnetic fields, magnetars have long been considered the prime culprit capable of producing the powerful bursts of energy known as fast radio bursts. The recent burst, ...