A billion years ago, days lasted 19 hours: the balance between the oceans, the atmosphere, and the Moon slowed down the Earth ...

For nearly a billion years, Earth’s rotation stopped slowing down. Locked in a rare cosmic balance, the planet’s day remained ...

Researchers from the Institute of Geology and Geophysics at the Chinese Academy of Sciences and Curtin University in ...

Relative plate motions and plate boundary geometries are from Cao et al. (2024), with plate motions placed in a mantle reference frame. Continents are light grey, with continental margins shown in ...

Earth's earliest life left behind very few chemical traces. Fragile remains, like ancient cells and microbial mats, were buried, squeezed, heated, and broken apart by the planet's shifting crust ...

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...

"This is maybe the first direct evidence that we've preserved the proto-Earth materials." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...

Trapped gases in 1.4 billion-year-old salt crystals reveal ancient secrets about oxygen and carbon dioxide levels on early ...