Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

A German town has been peppered by meteorites after a stunning "fireball" exploded in the skies over central Europe. One extraterrestrial fragment landed in a bedroom after punching a soccer ball-size ...

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...