Meet Earth's cousin: The newly discovered Kepler-452b

Call it "New Earth" or "Earth 2.0": NASA’s Kepler mission has for the first...

Scientists believe people have a sixth basic taste: Fat

Experts have long asserted that humans have the ability to detect six basic tastes...

Oldest known Quran fragments found at UK university

Fragments believed to be the oldest surviving pages of the Muslim holy book the...

Teens having less sex now than in the '80s

The number of sexually-active teenagers in the US is at its lowest point in...