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

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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

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

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

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

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

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

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

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