This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

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

A traditionalist Catholic nun has claimed that UFO sightings are really encounters with 'fallen angels', aligning with ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

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

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 ...

In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

The Trump administration selected a controversial Harvard astronomer to lead their new scientific advisory council to study ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Researchers have discovered a potentially habitable exoplanet just 25 light-years from Earth—but is its precarious location ...