For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

The state was immediately changed by Los Alamos and the Manhattan Project's detonation of the world's first atomic weapon, ...

Quasars, or extremely active black holes are the brightest objects in the universe. But aren't black holes meant to be ...

In the pre-dawn dark of July 16, 1945, a searing flash lit up the New Mexico desert. A shockwave followed, rippling outward across the silent plains. This was Trinity — the world’s first nuclear ...