A global experiment tests how humanity could live across the solar system, by dropping volunteers into some of Earth’s most extreme environments. Nearly all tea comes from one plant, yet there are ...

July 16, 2026 Scientists have identified a hidden feedback loop that may explain how Earth has regulated its climate for tens of millions of years. As sea levels rose and fell, they changed how much ...

Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.