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 comet from another star system is sweeping through our cosmic backyard and, for the first time, astronomers have picked up ...

Across the observable universe, galaxies advertise themselves in radio waves for familiar reasons-magnetic fields, cosmic ...

Radio waves from Earth have been moving through space for more than a century. They did not start as part of any grand plan ...

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 ...

A combination of radio waves and temperature flux could make fusion much more stable. Fusion-disrupting events can damage tokamaks like ITER that can't really afford to be shut down. The radio ...