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Diverse destinations considered for new interplanetary probe
Science teams from across the United States have submitted 28 proposals for missions to explore the moons of Jupiter and Saturn, touch the asteroid-like satellites orbiting Mars, visit unseen worlds and hunt for objects that could strike Earth one day.
SpaceX, Sierra Nevada get more time to finish flight tests
NASA has extended development agreements with SpaceX and Sierra Nevada Corp. past a March 31 deadline, giving the companies more time to complete delayed tests on commercial spacecraft intended to one day ferry astronauts into space.
SpaceX cargo launch now set for April 13
The launch of SpaceX's next resupply run to the International Space Station has been rescheduled for April 13, officials said Tuesday.
Kelly settling in aboard space station
Astronaut Scott Kelly, settling in aboard the International Space Station for a marathon 342-day stay in orbit, said Monday he is looking forward to serving as a test subject for medical research on the long-duration effects of weightlessness, data he said would help pave the way for eventual flights to Mars.
Photos: Fiery start to marathon space mission
A three-man crew donned pressure suits, strapped into a Russian Soyuz space capsule and rode a rocket into orbit Friday, starting a record-setting expedition on the International Space Station that -- for two of the crew members -- will last for 342 days.
Space station crewmen head off on 342-day mission
A workhorse Soyuz booster thundered to life and climbed into a dark Kazakh sky Friday, carrying NASA astronaut Scott Kelly and cosmonaut Mikhail Kornienko on a four-orbit voyage to the International Space Station to kick off a marathon 342-day mission, the longest flight ever attempted by an American.
Live coverage: Crew blasts off on record-setting space mission
Three space station residents launched Friday from Kazakhstan, kicking off a nearly yearlong expedition to help plan for future voyages to Mars. The crew blasted off on a Soyuz rocket heading for the International Space Station at 1943 GMT (3:43 p.m. EDT). Docking occurred at 0136 GMT (9:36 p.m. EDT).
One-year space expedition starts with 18-hour workday
Two veteran spacemen embarking on a marathon yearlong mission in orbit must first sprint through a busy workday Friday -- suiting up for liftoff, climbing into their Soyuz spaceship, then flying to the International Space Station.
Kelly, Kornienko braced for marathon mission
Shuttle veteran Scott Kelly first heard about NASA's plans to send an astronaut to the International Space Station for nearly a full year shortly after he completed his third space flight in 2011, a 159-day stay aboard the orbital lab complex.
VideoSoyuz primed to launch veteran space station crew
A Soyuz rocket is sitting on a historic launch pad in Kazakhstan after a railroad journey at sunrise Wednesday positioned the crew ferry craft for liftoff Friday with a three-man crew destined for the International Space Station, including two spaceflight veterans who will spend nearly one year in orbit.