Add Yahoo as a preferred source to see more of our stories on Google. Siena Garcia, center, takes an elevator with others during a simulated Mars expedition mission Jan. 16 at the Scobee Education ...

HOUSTON (CNN) — NASA’s Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took flight with a teacher on board. Christa McAuliffe, the ...

Main engine exhaust, solid rocket booster plume and an expanding ball of gas from the external tank is visible seconds after the space shuttle Challenger accident on Jan. 28, 1986. "Flight controllers ...

KAPOLEI, Oahu (KHON2) — This coming Wednesday, Jan. 28, will mark the 40-year anniversary of the Challenger explosion, one of the biggest tragedies in NASA history, which killed seven crew members ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

Forty years ago this week, the space shuttle Challenger exploded in flight, 73 seconds after liftoff from Cape Canaveral. All seven crew members were killed. In the months that followed, the tragedy ...

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

Forty years after the Space Shuttle Challenger disaster, the Scobee Education Center at San Antonio College is still working to keep the lost crew’s legacy alive. The Scobee center is one of more than ...

Though the Challenger disaster brought an end to Teacher in Space, educators in the years since have found other paths to orbit. Barbara Morgan, an elementary school teacher who had trained as ...