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 ...

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, ...

The Artemis II mission around the moon will be a brilliant last hurrah for several space shuttle engines and booster rocket ...

New NASA Administrator Jared Isaacman announced a major overhaul of the agency's Artemis moon program Friday, acknowledging that the agency's plan to land astronauts on the moon in 2028 was not ...