Picture yourself wading into a cool lake on a summer afternoon, water up to your shins, when something clamps onto your toe ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Stephen Miller is in large part dictating U.S. foreign policy, with a mindset of unilateral violence on a maximum scale.

The Trump administration is changing a longstanding policy for immigrants in the U.S. trying to obtain permanent status.