Read full article: INTERACTIVE: The NASA astronauts and employees who died in service to U.S. space exploration January 28th is a Day of Remembrance honoring the lives of the crew and teacher aboard ...

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, ...

How many times does a single event define a decade all by itself? In recent memory, it’s only really happened a couple of times, once on September 11th, 2001, and once more precisely 40 years to this ...

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 ...

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 ...

Five astronauts and two payload specialists make up the STS 51-L crew, scheduled to fly aboard the Space Shuttle Challenger in January of 1986. Crewmembers are (left to right, front row) astronauts ...

Add Yahoo as a preferred source to see more of our stories on Google. It started like any other day off from school. But I had no idea how a sick day would become a date that would stick in my memory ...

Wednesday marked 40 years since the Space Shuttle Challenger was tragically destroyed during the launch of mission STS-51-L. This 'outdated' IBM technology just did something it hasn't done in 20 ...