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

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

For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally ...

From Project Hail Mary to Independence Day, Alien to Arrival, these alien movies are much better than Disclosure Day.

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

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

The Stegocaudate looks like a fish — it is not a fish. It is a colonial organism, a community of individual zooids each ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

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 ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Invasive plant species are non-native organisms that spread aggressively, displacing local flora, altering local ecosystems ...

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