The first sign of failure during the doomed launch of an Orbital Sciences Corp. Antares rocket from Virginia came from the rocket’s first stage about 15 seconds after liftoff.

NASA astronauts Doug Hurley and Bob Behnken returned to Earth Sunday with an on-target splashdown in the Gulf of Mexico at 2:48 p.m. EDT (1848 GMT) Sunday. The astronauts completed a two-month stay on the International Space Station on a test flight of SpaceX’s Crew Dragon spacecraft.

NASA has shut down a spacecraft that measured the amount of solar energy entering Earth’s atmosphere for 17 years, more than three times the mission’s original design life.