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

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, ...

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

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