Pluto's frozen landscapes and hazy atmosphere captured by the New Horizons mission in 2015. (NASA/Johns Hopkins University ...

Boulder, Colorado, recently hosted the first-ever scientific convention specifically focused on the idea of setting human ...

Some of the greatest supervillains of all time were introduced during the 1960s and helped make Marvel Comics the icon that ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Orange County authorities and the FBI responded Tuesday to a hazmat situation in the same Irvine neighborhood searched by ...