Although an ancient global-warming episode -known as the Paleocene-Eocene Thermal Maximum (PETM), when the Earth warmed by more than 9 degrees Fahrenheit 55-million...

Metallica, whose leaked album Death Magnetic is slated for a September 12 release, launched a promotion on YouTube today featuring the band’s favorite Metallica...

Something beneath the surface is changing Earth’s protective magnetic field, which may leave satellites and other space assets vulnerable to high-energy...