As NASA’s Artemis program advances following its first crewed mission to the moon April 10, former astronaut Bonnie Dunbar sees it as the latest step in a long legacy of human spaceflight that ...

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 ...

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 over Florida, killing all seven ...

On the morning of January 28, 1986, seven crew members were killed when the space shuttle Challenger broke apart a little over a minute after it launched. Those killed included five NASA astronauts, ...

If the pending Artemis II mission is successful, it will not just send Americans around the moon and back for the first time in more than half a century—it will send them further than any human being ...

April 12th holds significant weight in American history. It witnessed the start of the Civil War at Fort Sumter in 1861.

(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief on Jan. 28, 1986, when the space shuttle exploded during a live broadcast.

The space shuttle system has been modified many times since the first launch of space shuttle Columbia in 1981. During the 1980s, major upgrade programs were established to respond to problems and ...