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

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

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

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

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

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

Three decades of finding new worlds Exoplanet science has moved fast since the first confirmed discoveries in the 1990s.

If one day scientists discover evidence of extraterrestrial life, how will they tell the world? How certain will they be of their discovery, and how will the public know what sense to make of it? Will ...