From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

What would it mean for humans if there were another species out there, and how big is the challenge when the human species is just a speck among others in space? The bigger problems and challenges ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I explore a fascinating proposition about ...

Whether or not we're alone in the universe is one of the biggest questions in science. A recent study, led by astrophysicist Nikku Madhusudhan at the University of Cambridge, suggests the answer might ...

For more than a century, from George Melies’ A Trip to the Moon to Stephen Spielberg’s E.T. and Close Encounters to this summer’s blockbuster sequel to Independence Day, mass media, and the general ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...