People are used to having multiple accounts on the Internet, whether it’s dual email accounts (one for work and the other for personal life) or multiple gaming accounts for video games for fun with ...

U.S. Vice President Kamala Harris speaking April 18 at Vandenberg Space Force Base, California, where she announced a ban on destructive, direct-ascent antisatellite weapons testing. Credit: U.S.

A series of viral articles claimed that NASA had discovered particles from another parallel universe in which time runs backward. These claims were incorrect. The true story is far more exciting and ...