A NASA spacecraft that's supposed to fly to Mars and land on the red planet next year has a leak that could delay the mission.
Rainy weather and thick clouds over Florida on Thursday forced Orbital ATK to postpone the planned launch of its Cygnus cargo craft toward the International Space Station, NASA said.
The International Space Station's robotic arm, Canadarm2, is visible over Earth in this Nov. 27, 2015 photograph taken by one of the Expedition 45 crew members aboard the station.
Orbital ATK on Wednesday counted down to its first space launch since a sudden explosion last year destroyed its Antares rocket and cargo craft bound for the International Space Station.
The European Space Agency says it's preparing for the launch of a probe that will test technology for a future mission to measure gravitational waves.
NASA hopes to resume commercial shipments this week to the International Space Station, following months of frustrating delay.
Roscosmos commander Yuri Malenchenko, NASA astronaut Tim Kopra and ESA astronaut Tim Peake stand by the Sokol suits they will wear on launch day, 15 December.
ESA astronaut Tim Peake, NASA astronaut Tim Kopra and Roscosmos commander Yuri Malenchenko arrived at the Baikonur Cosmodrome in Kazakhstan today ahead of their launch to the International Space Station.
NASA's commercial space program returns to flight this week as one of its private cargo haulers, Orbital ATK, is to launch its first supply shipment to the International Space Station in more than 13 months.
The private space firm founded by Internet entrepreneur Jeff Bezos claimed a breakthrough for its space travel efforts Tuesday with the launch of a reusable rocket.