A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

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

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 ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

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

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

A newly discovered and potentially habitable exoplanet scientists are calling Earth’s “next-door neighbor” could be the next ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Before his death, Stephen Hawking consistently warned humanity against contacting aliens. As interest in UFOs and little ...

All signs were already indicating that interstellar comet 3I/ATLAS was unlike anything we'd ever seen. When it zoomed through the inner Solar System last year, the swarm of telescopes that homed in on ...