Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Legend has it that there are space aliens and lizard people living in the underground tunnels at Denver International Airport ...

Most professions reward certainty. A doctor is expected to diagnose, a lawyer to argue a clear position, a manager to make a ...

A Catholic nun made a startling assertion about UFOs, cautioning that purported alien encounters are in fact a menacing ...

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Steven Spielberg’s latest UFO blockbuster is generating debate far beyond extraterrestrials and government secrets. “Disclosure Day,” which has already attracted The Steven Spielberg’s New UFO Film ...

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

The International Academy of Astronautics has updated its protocols for confirming and announcing the discovery of alien life. New guidelines address the modern challenges of social media, ...