Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Increasingly, military and commercial aircraft can't rely on GPS. The best alternative just might be quantum navigation.

For a few moments on April 6, the four Artemis 2 moon astronauts and the three crewmates aboard China's Tiangong space ...

The universe has a hidden structure, and a University of Virginia professor is mapping it in 3D, using 46 million galaxies ...