The search for extraterrestrial life has evolved from philosophy to a serious scientific and national security concern ...

Letters: Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch ...

Science: Nikku Madhusudhan (IoA) Claims about possible extraterrestrial life on K2-18b and Mars generated worldwide ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time. If life spreads and changes planetary environments, it could leave behind ...

The curious minds at What If explore the potential for extraterrestrial life within the vast, subsurface saltwater oceans of Jupiter's moon, Europa.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden biosignatures, limitations in detection technology, and assumptions about ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got stranded on earth when his alien compadres abandoned their botany mission. In ...

Adapt or die: How do you grow and evolve to fit into an alien environment? How do you create change in the face of overwhelming power? And how do you tell your extraterrestrial overlords you need a ...

Why 3I/ATLAS Is Being Compared to a Spaceship Engine in New XRISM Images Forget the grainy footage of 'flying saucers' or the campy sci-fi tropes of little green men from Mars; the search for ...

“USA250: The Story of the World’s Greatest Economy” is a yearlong WSJ series examining America’s first 250 years. Read more about it from Editor in Chief Emma Tucker. Imagine the first convincing ...