July 16 marks 80 years since the first atomic bomb was detonated. The specter of nuclear annihilation has been with us ever ...

A cosmic void could be distorting how we see the universe expand. Sound from the Big Bang may hold the clues. According to astronomers, Earth and the entire Milky Way galaxy might be located within a ...

The Manhattan Project's Trinity test bomb detonated on July 16, 1945. The light, noise, shockwave, and fallout cloud were impossible to keep secret.