Energy Secretary Rick Perry said the upcoming Department of Energy study on power grid’s reliability is needed to address the...

Earth gets farther from the sun today (July 3) than it does at any other point during the year. The...

July 3 used to be a hot day in the US, but July 3 temperatures have plummeted over the past century....

The Air Force is mired in a political war on multiple fronts: on one side, fighting new legislation to create...

A venerable U.S./European oceanography satellite mission with NASA participation that has expanded our knowledge of global sea level change, ocean...