Three-million-year-old tools found in Kenya reveal early humans' ability to cut food, butcher meat, and adapt to new diets.

"This discarded trash had managed to reach an unsullied part of our world before we actually did — a symbol of how deeply and ...

Scientists have discovered an ocean located beneath the Earth's crust that contains more water than all the surface oceans ...

Scientists using a high-resolution model to study the Earth's mantle discovered unexplained structures underneath the Pacific.

More than 6.7 miles below the surface of the Pacific Ocean lies the world’s deepest undersea chasm, and in it scientists made ...

Unexpected mantle structures hint at ancient or unknown materials, challenging current tectonic theories and prompting deeper ...

New research sheds light on icy ocean worlds like Jupiter's Europa, focusing on a novel thermodynamic concept called the ...

A phenomenon called gravitational lensing turned a galaxy into a "hall of mirrors of cosmic proportions," allowing for the discovery.