Marcia Dunn
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📺 WATCH: SpaceX on cusp of launching NASA astronauts, back on home turf
With bad weather threatening a delay, two NASA astronauts suited up for the launch of a SpaceX rocket ship Wednesday on a history-making flight to the International Space Station that...

SpaceX’s 1st astronaut launch breaking new ground for style
The first astronauts launched by SpaceX are breaking new ground for style with hip spacesuits, gull-wing Teslas and a sleek rocketship — all of it white with black trim.

“Houston, we’ve had a problem”: Remembering Apollo 13 at 50
Apollo 13′s astronauts never gave a thought to their mission number as they blasted off for the moon 50 years ago. Even when their oxygen tank ruptured two days later...

Apollo 15 astronaut Al Worden, who circled moon, dies at 88
Apollo 15 astronaut Al Worden, who circled the moon alone in 1971 while his two crewmates test-drove the first lunar rover, died Wednesday at age 88.

Solar Orbiter blasts off to capture 1st look at sun’s poles
Europe and NASA's Solar Orbiter rocketed into space Sunday night on an unprecedented mission to capture the first pictures of the sun's elusive poles.

NASA to open moon rock samples sealed since Apollo missions
For the first time in decades, NASA is about to open some of the pristine samples collected from the moon during the Apollo missions and let geologists take a crack...

NASA nixes 1st all-female spacewalk due to suit-sizing issue
NASA has nixed the first all-female spacewalk over a spacesuit sizing issue.

U.S.-built capsule with a dummy aboard docks at space station
A sleek new American-built capsule with just a test dummy aboard docked smoothly with the International Space Station on Sunday, bringing the U.S. a big step closer to getting back...

Boulder-based Southwest Research Institute sees Ultima Thule images
The faraway space snowman visited by NASA last month has a surprisingly flat -- not round -- behind.

Spacecraft opens new year with flyby on solar system’s edge
LAUREL, Md. -- NASA’s New Horizons spacecraft pulled off the most distant exploration of another world Tuesday, skimming past a tiny, icy object 4 billion miles from Earth that looks...