Water Is Both a Liquid and a Liquid. The Wording is Not a Mistake.

Ancient DNA pulled from North Sea sediments is rewriting what scientists thought they knew about Ice Age Europe — and filling in a conspicuous gap in human prehistory.

The weakest point of Earth's gravitational pull sits beneath a frozen continent. The slow deepening of that anomaly may be what built the glaciers that regulate global climate.

Our planet's force field has a growing weak spot over the South Atlantic. Could it signal a pending magnetic pole reversal?

Beneath Tuscany's vineyards and medieval hill towns, a surprise the size of Yellowstone waits.

There's lightning that shoots upward toward space — and scientists are still piecing together how it works. What else is the sky hiding above the clouds?