Ariane 5

Live coverage: Ariane 5 lifts off from French Guiana

A European Ariane 5 rocket delivered two commercial communications satellites to orbit Thursday after Arianespace’s ground team lost telemetry from the launcher during its climb into orbit, raising concerns that the mission might have failed. The SES 14 and Al Yah 3 satellites are confirmed in orbit and healthy, but the parameters of their orbits are unknown. Both were heading toward 22,000-mile-high geostationary perches over the equator.

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Legendary astronaut John W. Young dies

Legendary astronaut John Young, who twice ventured into space in pioneering two-man Gemini capsules, orbited the moon and then walked on its cratered surface before commanding two space shuttle missions, including the program’s maiden flight, has passed away, ending one of the most storied careers in space history.