Exploring the transformation of Earth from a volcanic hellscape to a potential birthplace of life during the Hadean era.

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ingredients were ... as well as more asteroid and comet sample returns. China ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

which is why it's taken such a long journey -- and long time -- to swing by Earth again, according to The Planetary Society. A green comet will appear in the night sky this week, for the first ...

One leading theory on the origins of life on Earth proposes that simple chemical molecules gradually became more complex, ...