Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

Ever since the term “Snowball Earth” was first proposed in a 1992 paper, it has prompted substantial debate among scientists.

Interactions between Earth and the solar system have profoundly shaped the planet’s history, influencing evolution and ...

While the Earth has experienced countless climate variations during its long history, a longstanding hypothesis known as ...

Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of years ago.

Billions of years ago meteorites hit the planet frequently, and one such space rock crashed down about 3.26 billion ... and assistant professor in the department of Earth and planetary sciences, ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...