On the heels of two rounds of winter blasts across the Midwest and East this week, heavy rain and severe storms Thursday threatened to hammer a stretch of the Southeast amid new concerns of flooding.

The cover shows a light sensor from the Kilometre Cube Neutrino Telescope (KM3NeT) at sunset above the Mediterranean Sea. This is one of thousands of sensors that are currently being assembled ...

Marco Rubio’s visit to Riyadh, his first as secretary of state, came amid uncertainty about the future of Gaza and Ukraine and criticism of unilateral U.S. moves over the wars in both places ...