Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Fossils and genetics are starting to point to life emerging surprisingly soon after Earth formed, when the planet was ...

Scientists discovered Bastetodon, a 300-million-year-old predator in Egypt, revealing Africa's ancient apex carnivores before modern lions and hyenas emerged.

Scientists in Egypt discovered a not-before-known apex predator that lived 30 million years ago, potentially helping to solve an extinction mystery.

The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.

Tropical riparian ecosystems—those found along rivers and wetlands—recovered much faster than expected following the ...

Buried beneath the sun-scorched sands of Egypt’s Fayum Depression, a place where ancient forests once flourished, scientists ...