NASA PAYBACK: Sen. Barbara Mikulski (D-Md.), chairman of the Senate appropriations subcommittee that funds NASA, says she's still trying to find a way to "reimburse" the agency for costs it incurred ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

CAPE CANAVERAL ” Discovery and seven astronauts blasted into orbit Tuesday on America’s first manned space shot since the 2003 Columbia disaster, ending a painful, 2 1/2-year shutdown devoted to ...

CAPE CANAVERAL, Fla. (AP) — Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark that tragic day 40 years ago. All seven on board ...

It's been 20 years since space shuttle Columbia broke apart during reentry, killing the entire crew of seven. NASA had high hopes for Columbia's 28th mission. It rocketed into space on Jan. 16, 2003, ...