Officials in eastern Tennessee say two people were killed when severe storms with two tornadoes moved through the region.

Greek Prime Minister Kyriakos Mitsotakis has visited earthquake-struck Santorini, as the Aegean island imposed more precautionary measures amid intense seismic activity.

As scientists unravel how sleep benefits the body, a study in mice is highlighting the potential pitfalls of using Ambien and other sleeping pills.

Sweden’s worst mass shooting has left at least 11 people dead, including the gunman, at an adult education center as officials warned that the death toll could rise.