100 years after Robert Goddard launched the first liquid-fueled rocket, NASA is preparing a return to the moon with the ...

NASA on Friday abruptly said it was shaking up its Artemis lunar program that has suffered multiple delays in recent years, a bid to ensure Americans can return to the Moon's surface by 2028.

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 ...