In 1957, the Soviet Union launched Sputnik 1. It was the first satellite in Earth's orbit. Or was it? For over a hundred ...

The Trump administration’s reckless assaults on U.S. science are endangering the nation. If allowed to continue, they will ...

Highlighting 10 major astronomical milestones of the past century in celebration of the Royal Greenwich Observatory’s 350th ...

These experimental fighter jets may have been bold and cutting-edge, but they never made it into active service or combat.

"Being off even a little bit represents hundreds or thousands of kilometers in distance on the surface of the Earth." ...

On June 23, 1949, the XS-1, a rocket engine-powered spaceplane flying faster than the speed of sound, passed its 117th flight.