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VideoKelly in good shape after marathon mission
Astronaut Scott Kelly, in good spirits and looking surprisingly fit after a record 340 days in space, said Wednesday he could have stayed up longer if necessary, giving him confidence future astronauts will be up to the challenge of even longer flights to Mars and beyond.
VideoVideo: Scott Kelly’s in-flight news conference before landing
As his year-long mission aboard the International Space Station draws to a close, Expedition 46 commander Scott Kelly of NASA gives a final in-flight news conference with U.S. media on Feb. 25.
VideoCommercial Cygnus space freighter leaves station after two months
Disconnected from the International Space Station berthing port and then cast free by the robotic arm, the commercial Cygnus cargo craft flew away Friday after successfully restarting U.S. resupply service to the outpost.
VideoDragon crew capsule’s propulsive landing system tested
SpaceX released a video Thursday showing a propulsive hover test of a prototype of the company's Dragon crew capsule conducted two months ago, a milestone in the development of the spaceship's rocket packs that will eventually guide the craft to helicopter-like landings.
VideoWatch a replay of Soyuz crew’s blastoff from Kazakhstan
Three crewmen from Russia, the United States and Great Britain blasted off toward the International Space Station on Tuesday, rocketing into space from the Baikonur Cosmodrome in pursuit of the orbiting research lab.
VideoPhotos: Crew transport rolled out at Baikonur
Tugged along a historic route leading to the launch pad where Yuri Gagarin took off 1961 to become the first person in space, a Soyuz rocket rolled out of its assembly hangar in Kazakhstan and stood up on its launch mount Sunday.
VideoWith widespread salts and ices, Ceres in a class of its own
The dwarf planet Ceres turns out to be a world with untold wonders, with vivid bright spots likely made of dried mineral salts and hazes apparently triggered by daytime heating, drawing a comparison to comets and strikingly differentiating it from neighboring bodies in the asteroid belt.
VideoJapanese probe fires rockets to steer into orbit at Venus
Five years after missing a shot to enter orbit at Venus, Japan's Akatsuki spacecraft completed a critical rocket burn late Sunday in a bid to salvage the research mission and become the only space probe operating around Earth's nearest planetary neighbor.
VideoReadiness confirmed for Thursday’s Atlas 5 cargo launch to space station
Mission managers Tuesday granted approval to proceed with Wednesday's rollout of the Atlas 5 rocket and Thursday's launch to deliver the commercial Cygnus cargo ship into orbit to resupply the International Space Station.
VideoSolar wind blasting away Martian atmosphere
The solar wind, the million-mile-per-hour stream of charged particles blasted away from the sun, is slowly but surely stripping away Mars' atmosphere and likely played a major role in turning the red planet from a habitable world in the distant past into the dry, frozen wasteland seen today, scientists said Thursday.