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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

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

Disclosure Day had people talking for its fresh take on alien contact and powerful sci-fi themes. These films follow the same ...

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

The Pentagon just released what they're calling never before seen UFO files, including videos, images, and original documents ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists find huge ‘magma systems’ inside Mars - Findings suggest that more planets could be habitable than we thought, ...

Some frogs have evolved features so strange that scientists struggle to explain them, and a few look less like amphibians ...