Investigation team says 2 sec. before beginning to break up in midair, the vehicle's two moveable tail booms unexpectedly began to deploy into a feathering position.

Lessons will be learned from the failure of Orbital’s Antares. What exactly all those lessons are, it is way too early to tell.

NASA’s Wallops Incident Response Team has reported on its initial assessment following the catastrophic failure of Orbital Science’s Antares rocket…

NASA’s commercial crew program is in court now, so the lawyers will get a say in deciding how the U.S. and its space-exploration partners will fly astronauts to orbit.

Space community receives a bumper crop of information from Mars-orbiting spacecraft, planet-based rovers and amateur astronomers worldwide

"Keep those updates coming," European Space Agency astronaut Alexander Gerst urged NASA's Mission Control as the scheduled 3:39 p.m. Dragon spashdown off the U. S. West Coast neared. .

Watch video from the Hubble Space Telescope of Mars and the Siding Spring comet passing each other on Oct. 19.

An innovative partnership between NASA and SpaceX is giving the U.S. space agency an early look at what it would take to land multi-ton habitats and supply caches on Mars for human explorers, while providing sophisticated infrared imagery to help the spacecraft company develop a reusable launch vehicle.