Nation

Follow PBS NewsHour’s complete coverage of U.S. news, reports and analysis.

Feb 03

Traveling just over 6 mph would hardly break any speed record. But for a glacier, it is a pace that is considered unprecedented. In fact, the summer speed of Greenland’s Jakobshavn Glacier, according to a new study published by…

Federal officials are planning to announce Monday whether automakers should be required to equip new cars and light trucks with technology that enables vehicles to communicate with each other to prevent collisions. Such vehicle-to-vehicle communication could eventually transform traffic safety.