The X-shaped, or "hourglass" body shape, is characterized by a defined waist and shoulders aligned with the hips. Here are some tips for choosing styles that particularly flatter this body shape, ...

Chinese researchers are experimenting with a new rail gun design to help overcome the firepower limitations of existing designs. They believe that stacking two rail guns in an X-shape in a single ...

NASA's GOLD mission found unexpected X- and C-shaped structures in the plasma of Earth's ionosphere. Researchers have likened our upper atmosphere to "alphabet soup." When you purchase through links ...

We finally know why our DNA has an X shape. This finding by researchers at the Netherlands Cancer Institute may have much broader implications for how our cells behave. "It looks like we have ...