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 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 ...

Forty years to the day since the Space Shuttle Challenger disaster, a former astronaut and teacher recounted watching the launch as a child and reflected on why she still chose to fly years later in a ...

Add Yahoo as a preferred source to see more of our stories on Google. The Space Shuttle Challenger explodes shortly after lifting off from Kennedy Space Center, in Florida, on Jan. 28, 1986. All seven ...

Four of the astronauts selected for the Space Shuttle Challenger mission in 1986 sit in the shuttle mission simulator (SMS). From left to right: Michael J. Smith, Ellison S. Onizuka, Judith A. Resnik ...

The 1986 Challenger space shuttle accident was the first fatal incident involving an American spacecraft during its mission. A Florida State University professor views the tragedy as a learning ...

It's now been 40 years since New Hampshire school teacher Christa McAuliffe died when the space shuttle Challenger exploded. All seven on board were killed when Challenger broke apart following ...

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.

HOUSTON — Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a tragedy that shocked the nation and reshaped NASA's approach to ...

On Jan. 28, 1986, the world watched in horror as the Space Shuttle Challenger exploded above the Atlantic Ocean off the coast of Cape Canaveral, Florida, 73 seconds after liftoff, killing all seven ...

The space shuttle Challenger exploded 73 seconds after liftoff on January 28, 1986, killing all seven crew members. An investigation determined the explosion was caused by an O-ring seal failure in a ...

It was the morning of Jan. 28, 1986, when the Space Shuttle Challenger launched from NASA’s Kennedy Space Center in Cape Canaveral, Florida — a moment that would soon become the nation’s worst tragedy ...