In 1967, astronomers thought they had finally heard from the neighbors. They intercepted a signal so regular and precise it seemed impossible for it to be natural. But the excitement didn’t last.

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

In the 2016 movie Arrival, water-dwelling extraterrestrials make an appearance on Earth. The main human character’s job is to learn how to communicate with the seven-tentacled extraterrestrials before ...

Scarlett Howard currently has funding from the Australian Research Council and the Hermon Slade Foundation. Adrian Dyer receives funding from the Australian Research Council, the Alexander von ...