World’s Oldest Art Was Created by Neanderthals, Researcher Says

Study: Changes in Rotation of Earth’s Inner Core Occur on Decadal Scale

Doomsday Clock—Measuring Humanity’s Threat Of Self-Annihilation—Moves To 90 Seconds To Midnight. Here’s What To Know.

Astronomers Release Gargantuan Survey of Milky Way’s Galactic Plane