News

Alexei Leonov, world’s first spacewalker, dies

Legendary cosmonaut Alexei Leonov, the first human to walk in space — an experience that almost killed him — and later the commander of the Russian Soyuz spacecraft that docked with a NASA Apollo capsule, symbolizing a historic thaw in the Cold War, has died after a long illness, the Russian space agency confirmed Friday. He was 85.

Mission Reports

Live coverage: NASA’s ICON satellite successfully launched

After a 24-hour delay due to poor weather, an air-launched Northrop Grumman Pegasus XL rocket fired into orbit at 9:59 p.m. EDT Thursday (0159 GMT Friday) after release from a carrier jet at an altitude of 39,000 feet over the Atlantic Ocean northeast of Cape Canaveral. The Pegasus rocket carried NASA’s ICON satellite into orbit to collect measurements of the ionosphere.