Astronomers using the NSF Very Large Array report the first radio detection of a rare Type Ibn supernova, revealing how a massive star lost helium-rich material in the years before its explosion ...

The waves' origin is unknown, so they hint at the existence of a new type of celestial object. The signal doesn't look like the kind that comes from stars, planets, or even dead stars. Mysterious ...

A University of Southampton study has revealed an intriguing new clue in the mystery of what triggers periods of very intense, brightly colored activity during displays of both the southern and ...

Allen Telescope Array campaign shows slow changes in radio scintillation that can nudge pulsar timing by billionths of a ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

For 10 months, a SETI Institute-led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal ...

Something’s fishy in the southern constellation Phoenix. Strange radio emissions from a distant galaxy cluster take the shape of a gigantic jellyfish, complete with head and tentacles. Moreover, the ...

Update July 20th 1:20PM ET: It looks like astronomers have figured out what caused the signal. Original story: Bizarre radio signals seem to be coming from a small red star about 11 light-years from ...