These short electromagnetic pulses resemble birdsong; however, they pose a significant threat to the functioning of ...

Three years ago, scientists recorded a mysterious repeating radio signal from outer space that couldn't easily be explained. Now, those same scientists believe they have found a potential source ...

In this series, we cover provocative questions in astronomy. This week: the mysterious extragalactic signals known as Fast ...

Astronomers discover an unusual neutron star that emits double pulses, challenging theories about stellar remnants.

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to ...

A mystery "alien" signal from outer space has been tracked down to its source. First discovered in 2007, fast radio bursts, or FRBs, last only a millisecond and can carry an enormous amount of ...

Starlink isn't the only American company trying to offer direct-to-cell satellite connectivity. AST SpaceMobile has been ...

Chorus waves, which affect the safety of astronauts and satellites, have been found in a place where their existence was ...

Scientists have detected cosmic waves that sound like chirping birds in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as human hearing.