America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

President Trump and one of his top cabinet officials are sending mixed messages on how the U.S. government is handling the most destructive weapons in the world. By David E. Sanger and Zolan ...

The idea sounds like science fiction, but the data says otherwise. According to a leading astrophysicist, strange objects appeared in Earth's orbit long before humans could put anything there, and ...