The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ...

Since its debut, "Star Trek" has introduced decades worth of new characters, locations, and alien races, but only a few ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

Harvard astrophysicist Avi Loeb's speculative claim that 3I/ATLAS could be an alien AI probe ignites scientific debate, NASA ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Real scientific efforts at universal communication have also involved mathematics and numbers. The covers of the Golden ...

What if life on Earth didn’t begin here at all, but arrived from somewhere else in the universe? Panspermia is the controversial theory that life (or the ingredients for life) could travel between ...

The SYFY miniseries Childhood's End, based on Arthur C. Clarke's alien invasion novel, has an ending that you won't be able ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

Scientists are studying bees’ surprising maths skills to explore whether numbers could be a universal language for ...

This charismatic ball of geology is aptly known as Giant Rock. Covering square meters (5,800 square feet) of ground and ...