Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

More stories by Kevin P. Details about Steven Spielberg's latest are trickling out, and there's a good reason for that. The film legend took the stage in Las Vegas at CinemaCon with one of his stars, ...