For the first time, SpaceX on Friday blasted off both a rocket and a cargo ship that have flown before, a step forward in the company's goal to lower the cost of spaceflight.
A pair of American astronauts completed a successful spacewalk outside the International Space Station Wednesday to swap and check on two external cooling boxes, nicknamed "Leaky" and "Frosty," NASA said.
Looking at Earth from the International Space Station, astronauts see big, white clouds spreading across the planet. They cannot distinguish a gray rain cloud from a puffy white cloud. While satellites can see through many ...
With less than a minute before launch Thursday, SpaceX aborted the liftoff of its new Falcon 9 Block 5 rocket, which the California-based company promises to be more powerful and easier to re-use.
SpaceX's unmanned Dragon cargo ship splashed down in the Pacific Ocean on Saturday, the company said, a few hours after leaving the International Space Station Saturday carrying 4,000 pounds (1,800 kilograms) of gear.
Thunderstorms in Earth's upper atmosphere remain something of a mystery. Scientists cannot reach them directly with instruments; they are too high for balloons and too low for weather satellites. Flying through thunderstorms ...
SpaceX is poised Monday to send supplies to astronauts on the International Space Station aboard a rocket booster and a cargo ship that have both flown before.
China's defunct Tiangong 1 space station mostly burned up on re-entry into the atmosphere over the central South Pacific on Monday, Chinese space authorities said.
One place China's Earth-bound and out-of-control spacelab, Tiangong-1, will probably not hit on Sunday is the forlorn spot in the southern Pacific Ocean where it was supposed to crash.
Two new arrivals at the International Space Station went spacewalking Thursday less than a week after moving in, completing all their work despite a slightly shortened excursion.