Live coverage: Atlas 5 blasts off from California

NASA and industry teams at Cape Canaveral launched an Orion capsule on a three-minute atmospheric test flight Tuesday to prove the spaceship’s ability to escape from an exploding rocket during launch, demonstrating a key safety feature before astronauts ride the vehicle into deep space. Liftoff occurred at 7 a.m. EDT (1100 GMT).

From weather forecasting to agricultural benefits, a new NASA mission launching this week will provide unprecedented resolution, accuracy and coverage of soil moisture on a world-wide basis every three days for the next three years.

Europe’s ExoMars Trace Gas Orbiter and Schiaparelli lander arrived at Mars Wednesday, with the orbiter safely captured by Martian gravity after a critical engine firing. The lander’s fate is unknown after mission control lost contact just before touchdown.