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

The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

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 ...

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

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

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

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...

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

NASA has plans for an ambitious moon base where astronauts can live long-term as the agency prepares to send humans to Mars.

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned ...