The U.S. Department of Energy said Tuesday that it will loan $1 billion to help finance the restart of the nuclear power plant on Pennsylvania's Three Mile Island that is under contract to supply ...

The average American home is about as airtight and well-insulated as a metal sieve. Drafts pour in through cracks. Radiant energy is lost through every window. Out-of-date, inefficient heating and air ...

CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The ...

The natural world teems with microorganisms. Billions of species of bacteria, archaea, viruses and fungi make up complex ecosystems in the soil, water and air. The activity of these microbes sustains ...