The "End of the World" singer revealed that she's "a little bit of a grinch" when it comes to celebrating the holidays.

An in-home headset that allows people with depression to send mild electrical current to their brains has been cleared by the Food and Drug Administration, in what medical experts consider a milestone for expanding mental health treatment beyond drugs. The prescription device, made by Flow Neuroscience, is designed to counteract moderate to severe depression in adults by delivering electric stimulation to an area of the brain that controls mood and stress. While such stimulation is widely used t

When an invisible entity making up 85% of the universe's mass stumps the greatest scientific minds of our time, awe is an understandable response. Physicists call it “ dark matter, ” a substance they describe as the cosmic glue, the scaffolding, a web that uses gravity to corral, shape and hold together stars, planets and galaxies. Dark matter's existence is only inferred from its gravitational effects on visible matter.