A new light-activated material can efficiently produce hydrogen from water without requiring an additional expensive metal catalyst. Researchers say its

A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with

A 30-year forestry experiment in Australia found that heavily thinned mountain ash forests grew unusually large trees while recovering enough

Tiny magnetic fields created shortly after the Big Bang may help explain the long-running disagreement over how fast the universe

A meteor crater buried beneath Oklahoma has turned out to be nearly 100 million years younger than scientists thought. Zircon