Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...

According to a recent study, published inScience Advances, the early Earth was formed astonishingly fast, but it wasn’t initially a planet capable of supporting life. The building blocks of biology, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Proto-Earth evolved into the planet we know today after a cataclysmic collision with another ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion years.

When you buy through links on our articles, Future and its syndication partners may earn a commission. New research suggests that most of the solar system's inner rocky planets once orbited the sun in ...