Here's a countdown of 10 common skin conditions, some benign and others life-threatening.
The Chernobyl Nuclear Power Plant explosion resulted in the most horrific nuclear disaster in the world.
In the early universe, gravity may have been capable of creating light, a new theoretical paper finds.
Europe's glaciers and ice patches are an enormous deep freezer for artifacts. Here is a countdown of 25 of the most fascinating objects revealed by Europe's melting ice.