CAPE CANAVERAL, Fla., Feb. 14 (UPI) -- NASA says space shuttle Atlantis has been mated to its orange external tank and twin solid rocket boosters and is ready to move to its launch pad.

CAPE CANAVERAL, Fla., Jan. 29 (UPI) -- NASA says the launch of Space Shuttle Atlantis to the International Space Station on mission STS-117 will occur March 15 -- one day earlier than planned.

WASHINGTON, May 17 (UPI) -- NASA Wednesday announced crew assignments for two 2007 space shuttle missions to the International Space Station. Astronaut John Olivas joins the crew of shuttle mission STS-117, while Astronaut Tracy Caldwell joins the crew of STS-118 -- both making thei