If you weren't around in 1986, the significance of the Challenger disaster in the collective memory of your elders may elude you. To bridge the generation gap, I'll try to set the scene for you. How ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members ...

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, ...

On this day 40 years ago, a generation of schoolchildren learned that the future can break your heart. That morning, television carts had been rolled into classrooms and assemblies across the country.

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

CAPE CANAVERAL, Fla. — Wednesday marks 40 years since the NASA space shuttle Challenger broke apart after lifting off, killing all seven people on board off the coast of Cape Canaveral, Florida.

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...