Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If humans are going to spend as much time in space as some hope we ...

Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.

Roll out the cosmic welcome mat for our solar system’s newest resident: a never-before-seen moon orbiting Uranus. A team of astronomers announced Tuesday that a new satellite measuring roughly 90 ...