Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Steven Spielberg’s sci-fi adventure-mystery about the possibility of aliens on Earth stars Emily Blunt, Josh O’Connor and Colman Domingo Tyson has “no reason to doubt” there’s non-human species out in ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.