Every time you make a memory, somewhere in your brain a tiny filament reaches out from one neuron and forms an electrochemical connection to a neighboring neuron.

Since 2007, California has had one of the most aggressive incentive programs in the country for putting solar-electric panels on the rooftops of homes and businesses.

Giant volcanic supereruptions that spew magma across large areas of a continent haven’t occurred in human history, but they remain a possibility.

Scientists are using climate from the last Ice Age to predict how precipitation patterns will change in the future.