NASA's space shuttle Challenger exploded 40 years ago today, killing its 7-person crew. Photos reveal Challenger's legacy.

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts ...

40 years ago, shuttle Challenger exploded over Florida in deadly tragedy

Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in ...

The country ‘watched in despair’ as Challenger space shuttle exploded 40 years ago

Less than 2 minutes into its mission on Jan. 28, 1986, the shuttle exploded over Florida, sending the crew members, including a schoolteacher, to their deaths.

It's been 40 years since 7 people were killed in the Challenger space shuttle explosion

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...