Doomsday clock set at 89 seconds to midnight, closest ever to "global catastrophe"
The clock was initially set at seven minutes to midnight and has moved 25 times since then. It can move backwards and forwards, with movement away from midnight showing that people can make positive ...
Northern lights forecast: Auroras may be visible in more than a dozen northern US states
The colorful northern lights may reveal themselves to a wide swath of Americans Friday night due to an impending solar storm ...