Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

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

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

The mission is still in the early stages of its conception, with contracts given recently to firms.

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

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

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

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

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

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

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 ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...