Image: Astronaut Mae Jemison suits up for launch, 1992

On Sept. 12, 1992, launch day of the STS-47 Spacelab-J mission on space shuttle Endeavour, NASA astronaut Mae Jemison waits as her suit technician, Sharon McDougle, performs a unpressurized and pressurized leak check on her ...

Retired shuttle paired with space lab (Update)

The space shuttle Endeavour has been paired once again with a space lab and storage pod it used on some missions, as the countdown to its final exhibit continues at the California Science Center in Los Angeles.

Shining light on elusive dark matter

The antimatter hunter AMS-02 on the International Space Station is searching for the missing pieces of our Universe. The project's first results published yesterday are hinting at a new phenomenon and revealing more about ...

Final trek for space shuttle Atlantis (Update 2)

(AP)—Accompanied by a fleet of astronauts spanning NASA's entire existence, Atlantis made a slow, solemn journey to retirement Friday, the last space shuttle to orbit the world and the last to leave NASA's nest.

Daredevil's sky jump provides global moment of awe

(AP)—Felix Baumgartner stood poised in the open hatch of a capsule suspended above Earth, wondering if he would make it back alive. Twenty four miles (38 kilometers) below him, millions of people were watching on the Internet ...

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