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SpaceX's private Polaris Dawn astronauts talk US flag and kids' books from orbit on historic spaceflight (videos)
By Elizabeth Howell published
The Polaris Dawn crew called down to Earth to honor the anniversary of 9/11, and to do a book-reading event to support St. Jude Children's Research Hospital.

Polaris Dawn: World's 1st commercial spacewalk was history's 20th stand-up EVA
By Robert Z. Pearlman published
Two private astronauts conducting the first commercial spacewalk did not so much float out of their spacecraft as they did "stand up."

Satellites watch Hurricane Francine make landfall as a Category 2 storm in Louisiana (video)
By Meredith Garofalo published
Hurricane Francine, the sixth storm of this year's Atlantic hurricane season, made landfall on the Louisiana coast late afternoon on Wednesday.

Tiny NASA satellite detects its 1st massive gamma ray burst
By Sharmila Kuthunur published
A NASA satellite designed to search for the universe's most powerful and violent explosions has successfully scouted its first burst, space agency officials announced earlier this week.

SpaceX Polaris Dawn astronauts perform historic 1st private spacewalk in orbit (video)
By Brett Tingley published
Two Polaris Dawn astronauts completed the world's first all-private spacewalk in their new SpaceX extravehicular activity suits, on Day 3 of the groundbreaking mission.

SpaceX launches 5 giant BlueBird smartphone satellites for AST SpaceMobile, lands rocket (video)
By Mike Wall published
AST SpaceMobile's first five giant commercial direct-to-cell satellites, huge spacecraft called BlueBirds, lifted off this morning (Sept. 12) atop a SpaceX Falcon 9 rocket.

Watch SpaceX Polaris Dawn astronauts conduct 1st private spacewalk early Sept. 12
By Mike Wall published
SpaceX's Polaris Dawn astronaut mission plans to conduct the first-ever private spacewalk early Thursday morning (Sept. 12), and you can watch the historic action live.

NASA's Voyager 1 probe swaps thrusters in tricky fix as it flies through interstellar space
By Elizabeth Howell published
NASA's most distant spacecraft had a critical thruster problem far from home. Fixing it required a long-distance call to overcome extreme cold and dwindling power.
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