A study links graying hair to stem cells getting stuck, unable to color new hair growth. Stem cells travel back and forth ...

Russian President Vladimir Putin says the weapon was developed very rapidly, hyping it up as an unstoppable hypersonic ...

The world of aircraft carriers faces two vexing problems: a shortage of planes and a shortage of the carriers themselves.

Sound has the incredible ability to instill a certain kind of emotion into whoever hears it. The soulful call of a loon feels ...

It is merely human nature to wonder what’s at the other end of any mysterious rope or cable one might encounter in the world, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? When it ...