When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

In virtual experiments, AI repeatedly misread dead digital organisms as self-replicating life.

Three decades of finding new worlds Exoplanet science has moved fast since the first confirmed discoveries in the 1990s.

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

For generations, the search for life beyond Earth has focused on avoiding one of science's biggest mistakes: claiming a discovery that turns out not to be real. Researchers have built entire ...