With job losses, food benefit reductions and higher prices, many in the U.S. are having to scrimp this holiday season.

What are the physics of life? That is more than just a philosophical question—it has practical implications for our search ...

Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA's ...

Hopefully these young minds will grasp onto some of these concepts and will go home and around the dinner table talk to their parents about it." ...