The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

David Grusch, a former intelligence official, claims the U.S. government is secretly funding programs to reverse-engineer alien technology, sparking debate over transparency and congressional ...

Instead of searching the skies for radio signals, scientists suggest the first evidence of an extinct alien civilisation could be buried in lunar soil.

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

Scientists say bad space weather may be one reason alien tech signals have not reached our telescopes in a usable form, after ...