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Turbulent space weather forced Orbital Sciences on Wednesday to postpone the launch of its unmanned Cygnus spacecraft on its first regular contract flight to supply the International Space Station.
Surrounded by engineers, NASA chief Charles Bolden inspected a prototype spacecraft engine that could power an audacious mission to lasso an asteroid and tow it closer to Earth for astronauts to explore.
Two astronauts are preparing to step out on a spacewalk to try and fix an ammonia leak at the International Space Station, in a hastily arranged venture outside the orbiting lab, NASA said Friday.
A NASA plan to send astronauts to an asteroid was met with skepticism Wednesday when NASA Chief Charlie Bolden presented the idea to top space officials in Congress - though their doubts may not be enough to sink the program.
A memorial service for Neil Armstrong, the US astronaut who became the first human being to set foot on the moon, will be held in the US capital Washington on September 13, NASA said Tuesday.
Kennedy Space Center is getting a new neighbor: XCOR Aerospace announced they intend to establish an operational base in Florida, and also hope to build a manufacturing and assembly center for the XCOR Lynx Mark II suborbital ...
A private company is on the verge of making history by launching a spacecraft to the International Space Station.
(AP) -- The head of NASA met Monday with former astronauts to discuss who owns space artifacts from moon shots and other missions, saying afterward that the agency will work cooperatively with them to resolve what's recently ...