Physicists have spent decades trying to explain puzzling radio bursts and other odd signals that seem to arrive from deep space with no obvious source. Some technologists now wonder whether the same ...

Voyager 1’s long silence and sudden return to form have been dramatic enough without any help from science-fiction headlines. After months of garbled data, the veteran probe is once again sending ...

An unusual x-ray signal from the Helix Nebula, first detected in 19180, could stem from a star destroying a nearby planet. Credit: NASA/CXC/A. Hobart Transfer portal: With Ty Simpson off to NFL Draft, ...

Astronomers have encountered a mystery surprisingly close to Earth. The Guardian and Scientific American have learned that Breakthrough Listen astronomers using the Parkes telescope in Australia ...