Twenty-five names are carved into the black mirror-finished granite: the Challenger seven, the seven who perished in the ...

This week marks forty years since seven astronauts were killed in the space shuttle Challenger accident in 1986. Families of ...

Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff. Seven astronauts were killed, including ...

"I lost my father," Alison Balch said, "but to everyone else, they felt like they lost somebody also." ...

The space shuttle Challenger crew. Front row, from left to right, Michael J. Smith, Francis R. "Dick" Scobee, and Ronald E.

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

The event will honor astronaut Christa McAuliffe, the first teacher selected to fly to space ...

The 40th anniversary of the Challenger disaster cast a shadow over NASA's annual Day of Remembrance event inside the Space ...

Ohio native Judith Resnik was a mission specialist on the doomed Space Shuttle Challenger when it exploded shortly after ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

NASA observed its annual Day of Remembrance Thursday to commemorate the astronauts killed in the Apollo 1 and space shuttle ...

Four educator astronauts carried on Christa McAuliffe's mission of venturing to space as a teacher, including two who revived her lost space lessons.