Live coverage: Two satellites lift off aboard Ariane 5

A European Ariane 5 rocket fired into a gloomy sky Thursday over French Guiana and streaked into space from the tropical launch base with 2.9 million pounds of thrust from two solid rocket boosters and a hydrogen-fueled Vulcain 2 main engine.

One of SpaceX’s Falcon 9 rocket boosters made its second trip into space Friday, lofting a Bulgarian television broadcasting satellite from launch pad 39A at NASA’s Kennedy Space Center in Florida, then landing on a platform in the Atlantic Ocean. Liftoff occurred at 3:10 p.m. EDT (1910 GMT).

Firing off a launch pad on the fringes of the Amazon rainforest, a European Vega rocket climbed into space Tuesday night and deployed a new optical surveillance craft for the Italian military and a French-Israeli environmental satellite to monitor vegetation, snow cover and coastal waterways.