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 ...

Harvard astrophysicist Avi Loeb claims the interstellar object 3I/ATLAS is not just a comet, but a technological artefact sent by an advanced civilisation to 'sow' life on Earth.

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

The search for extraterrestrial life is one of the most exciting frontiers of modern science. Thanks to recent discoveries of exoplanets like Gliese 581 g, Kepler-22 b, Kepler-186 f, and Kepler-452 b, ...

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 ...

What do you think of when it comes to extraterrestrial life? Most popular sci-fi books and TV shows suggest humanoid beings could live on other planets. But when astronomers are searching for ...

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 ...

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 ...

A mysterious interstellar comet with bizarre features has revived one of the boldest scientific claims yet, the possibility that Earth’s life may have been intentionally “seeded” by an advanced ...

The majority of Americans believe there there is extraterrestrial life. Aliens might marvel at earth's natural beauty but wonder why we are not protecting it.