New readings from the European Space Agency’s Rosetta mission have challenged the theory that comets brought water to Earth in a series of cataclysmic collisions during the solar system’s chaotic youth.
A United Launch Alliance Atlas 5 rocket lifted off Friday from Vandenberg Air Force Base in California with a classified payload for the National Reconnaissance Office. Launch occurred at 7:19 p.m. PST (10:19 p.m. EST; 0319 GMT).
Scientists analyzing imagery from NASA’s Curiosity Mars rover believe sediments left by an ancient lake more than three billion years ago formed a towering mountain that is set to be the robot’s research subject for the rest of its mission on the red planet.
Fresh home from a high-flying test flight Friday that took it 3,600 miles above Earth, NASA’s Orion spacecraft was pulled off a U.S. Navy recovery ship Monday night for initial inspections before a cross-country trip to its home base in Florida.
Orbital Sciences Corp. announced Tuesday it selected United Launch Alliance’s Atlas 5 rocket to launch a Cygnus space station resupply mission in late 2015 while the company redesigns its Antares booster with a new engine following a catastrophic failure seconds after liftoff in October.
A U.S. Navy transport ship carrying NASA’s first space-worthy Orion capsule arrived Monday in San Diego, where ground crews will offload the spacecraft for shipment back to its home port at the Kennedy Space Center in Florida.
A recovery team stationed in the Pacific Ocean west of Baja California secured NASA’s Orion spacecraft and winched it into the flooded well deck of a U.S. Navy transport ship after the capsule splashed down into the sea to wrap up a successful four-and-a-half hour test flight.