Mark Kelly in T-38 Training Jet
Astronaut Mark Kelly, STS-121 pilot, prepares for a flight in a NASA T-38 trainer jet at Ellington Field near Johnson Space Center.
Mark E. Kelly
Astronaut Mark E. Kelly, commander of STS-124, poses for a preflight photo.
Space Station Experiment to Hunt Antimatter Galaxies
An artist's concept of the Alpha Magnetic Spectrometer installed on the International Space Station.
The Payload Moves
A canister carrying the Alpha Magnetic Spectrometer-2 (AMS) and Express Logistics Carrier-3 for space shuttle Endeavour's STS-134 mission moves past the Vehicle Assembly Building on its journey from the Canister Rotation Facility to Launch Pad 39A at NASA's Kennedy Space Center in Florida.
The Payload Arrives
A canister carrying the Alpha Magnetic Spectrometer-2 (AMS) and Express Logistics Carrier-3 for space shuttle Endeavour's STS-134 mission arrives at Launch Pad 39A at NASA's Kennedy Space Center in Florida.
Shuttle Endeavour on the Launch Pad
At NASA's Kennedy Space Center in Florida, space shuttle Endeavour awaits its final liftoff from Launch Pad 39A.
Space Shuttle Endeavour Glistens in the Sun
Space shuttle Endeavour glistens in the sun on Launch Pad 39A at NASA's Kennedy Space Center in Florida. The shuttle is launching on its final mission, STS-134, on May 16, 2011.
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Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.