PHOENIX - Ryan Zimmerman appears to have avoided serious injury, but the Nationals first baseman is out of tonight's lineup with a sore left wrist one day after it was struck by a pitch. Multiple ...

X-ray beams aren't used just by doctors to see inside your body and tell whether you have a broken bone. More powerful beams ...

Researchers model the motions of groups of manta rays to study how group dynamics affect their propulsion, studying different formations of three manta rays: in tandem, in a triangular setup with one ...

Using X-ray spectrometry, archaeologists have found a way to distinguish iron from different time periods in America's colonial past, which may result in long-anticipated discoveries. Iron artifacts ...