Unsurprisingly, the list of the most expensive missions consists of voyages from NASA. As for the ones on the strictest of ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

The X-37B program was developed as part of a partnership between the US Air Force's Rapid Capabilities Office and the US ...

Giant space 'boulders' unleashed by NASA's DART mission aren't behaving as expected, revealing hidden risks of deflecting asteroids ...

In 1975, a meet-up between American and Soviet spacefarers in orbit showed that the superpowers could work together. Its ...

The bill signed by President Trump on July 4 includes money to move the Space Shuttle Discovery from the Smithsonian Air & Space Museum to Texas.

Jeffrey Rudolph ’78 developed a master plan to build the California Science Center into a center of science, learning, and ...

A 64-ounce plastic Stripes cup is included in the Smithsonian's National Museum of American History as part of an exhibit ...

When John F. Kennedy became the president of the United States in 1961, his wife, Jackie Kennedy Onassis, made sure someone in the West Wing was on her side. The new book JFK: Public, Private, Secret ...

The president’s marquee policy legislation is best known for slashing taxes and cutting social safety net programs. But the ...

Safety+ Symposium will bring together safety and health professionals for four days of training, networking, and celebration Aug. 11-14 in St. Louis.

NASA officials remain eager for Starliner to begin these regular crew rotation flights, even as its sole destination, the ISS ...