All this happened about 4.5 billion years after Earth formed, with innumerable steps occurring in between that made our ...

How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...

A new study rewrites the story of human evolution, suggesting that intelligent life is not rare but a natural planetary ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...