However, NASA, with the backing of key congressional leaders, has held an iron grip on having its own heavy-lift launcher and ...

A custom-made version of a legendary pilot's watch orbited Earth on May 24, 1962. Now, you can own an upgraded reissue.

At an altitude of over 8,200 meters on the flanks of K2, extreme mountaineer Kristin Harila finds a high-altitude porter who has fallen. He is hanging upside down from a fixed rope and fighting for ...

Seemingly lost for decades, the wristwatch worn by American astronaut Scott Carpenter during his May 24, 1962 space flight ...

What are the Van Allen belts? Learn how these giant rings of charged particles cause problems for astronauts and satellites.

A curious question sparked a cosmic deep dive into why light never tires—even after 25 million years on the move.