As Japan's nuclear crisis continues to unfold, you've probably heard mention of Tokyo Electric Power Company, the energy giant who owns the troubled Fukushima plant. Known as Tepco, the company was founded in 1951 as Japan looked to rebuild its…

Bitterly cold, snowy weather made relief efforts in northeast Japan extremely difficult Wednesday, said Kirsten Mildren, Asia regional advocacy officer for the U.N. Office for the Coordination of Humanitarian Affairs. She spoke with the NewsHour from Tokyo, where a U.N.

After a powerful explosion on Tuesday, Japanese workers are still struggling to regain control of an earthquake and tsunami-damaged nuclear power plant amid worsening fears of a full meltdown. Which raises the questions: What exactly is a nuclear meltdown? And…