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 ...

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 ...

The Challenger disaster's enduring legacy is the educational mission that arose from the tragedy. Challenger Learning Centers were created to honor the crew by inspiring young people in science and ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

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 ...

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 ...

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 ...