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 ...

Editor: On a beautiful January morning in 1986, seven crew members, five men and two women, proudly boarded The Space Shuttle Challenger. We saw the crew for the last time as they walked out to the ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

WASHINGTON — Wednesday marks 40 years since the NASA Challenger space shuttle exploded less than two minutes after takeoff, killing everyone aboard. Jan. 28, 1986, began a day filled with hope and ...

The catastrophic loss of the Space Shuttle Challenger on Jan. 28, 1986, stands as a haunting reminder of the immense risks and complexities involved in humanity's exploration of space. This event, ...

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 ...