Jan. 18, 2026 A long-running Swedish study has followed adults for nearly five decades, uncovering when physical decline truly begins. Fitness and strength start slipping around age 35, then worsen ...

A respected resource for decades, the Guide for the Care and Use of Laboratory Animals has been updated by a committee of experts, taking into consideration input from the scientific and laboratory ...

The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang. NASA's James Webb Space Telescope (JWST) captured this image of the iconic ...