The number of exoplanets already discovered numbers in the thousands, and the Milky Way may harbor billions. This represents ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

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 ...

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

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

Once, a man called the authorities about an "enormous light" that was "blazing" above his house—only to call back shortly to explain it was actually the Moon.

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Could alien life exist closer than we think? The Sky at Night team investigate.

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity of alien life and positioning Earth as one of the first habitable planets.