We've even been asked if you could run solar cells during the long lunar night on reflected earthlight, so we decided to ...

Titan is a strange world, at -300 degrees Fahrenheit, and shrouded in a jaundiced smog. Similar to Earth, the atmosphere is ...

The record sheds light on the climate early humans experienced when they were spreading out of Africa. A tree-ringed African ...

The world-famous AP photo of Kim Phuc — “The Terror of War,” known popularly as “Napalm Girl” — was taken on June 8, 1972, and credited to “Nick ...

Edwin Land was always a dreamer. At 14, after a near-accident on a dark road, he made a plan to invent a solution for ...