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.

An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released ...

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.

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

Discover how life on Earth evolved from muted tones to vibrant colours, and how scientists are uncovering the secrets of ...

Picture a primordial Earth: a world of muted browns, grays and greens. Fast forward to today, and Earth teems with a ...

So why evolve bright warning signals when camouflage could also deter predators? The answer lies in the local predator ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

(THE CONVERSATION) Long before the current political divide over climate change, and even before the U.S. Civil War (1861-1865), an American scientist named Eunice Foote documented the underlying ...