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SpaceX receives firm order for its first crew flight
Fresh off a major design review, SpaceX's human-rated Dragon spaceship has received the first of up to six firm mission orders from NASA under the company's $2.6 billion commercial crew contract.
Spacewalk snapshots show recent station EVAs
Clad in white spacesuits, astronauts Scott Kelly and Kjell Lindgren recently floated outside the International Space Station on a pair of spacewalks, and the duo carried cameras with them to document the excursions.
NASA delays cargo award again, eliminates Boeing from contention
NASA has delayed the award of new contracts for cargo transportation services between Earth and the International Space Station, and eliminated an uncrewed version of Boeing's human-rated CST-100 Starliner capsule from the competition, officials said Thursday.
NASA quietly posts images of explosive Antares failure
Less than a week after publishing the results of an independent investigation into last year's Antares rocket failure, NASA has released new photos of the catastrophic crash just after liftoff from Wallops Island, Virginia.
Two Antares failure probes produce different results
An Orbital ATK investigation into last year's Antares rocket crash in Virginia identified a decades-old manufacturing defect inside an AJ26 engine turbopump as the most likely cause of the failure, but a team of NASA engineers was not so sure in their report.
One year after Antares failure, Orbital ATK nears return to flight
A year after a launch mishap left Orbital ATK's Cygnus supply ship without a ride to the International Space Station, company officials say the cargo delivery system is on the verge of a comeback, thanks to deals with United Launch Alliance and a decision to redesign its Antares booster with new rocket engines.
Bags are packed inside Cygnus commercial cargo freighter
The first installment of supplies and provisions tagged for launch on Orbital ATK's next commercial supply run to the International Space Station, the company's first since a catastrophic launch failure last year, has been loaded into the Cygnus spacecraft's pressurized cargo section.
Cygnus service module arrives in Florida for station flight
The power and propulsion section of Orbital ATK's next Cygnus supply ship, featuring new solar panel and fuel tank designs, arrived at NASA's Kennedy Space Center in Florida on Wednesday to be joined with a cargo module for a Dec. 3 launch to the International Space Station.
Sierra Nevada on watch for critical cargo award
A prototype of Sierra Nevada's Dream Chaser space plane is nearing shipment to California's Mojave Desert to resume runway landing tests as officials wait for word from NASA whether the company will win a competition to ferry cargo to the International Space Station.
Q&A with Mark Sirangelo, leader of Sierra Nevada Space Systems
Sierra Nevada Corp. has business activity across a spectrum of programs, from Orbcomm communications satellites to parts on the New Horizons mission to Pluto, but all eyes are now on the company's Dream Chaser spacecraft. Sierra Nevada's Mark Sirangelo met with reporters at the 2015 International Symposium for Personal and Commercial Spaceflight.