Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may have first emerged on our planet.

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial ...

Spielberg's new film imagines what might happen if the existence of non-human intelligence was revealed to the world.