I photograph people with the Stars and Stripes and ask them what the flag means to them. Pictured here is retired Marine ...

This advertisement has not loaded yet, but your article continues below. Sarah A. Boardman says that in the six years since she painted the portrait, she has 'received overwhelmingly positive ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

For centuries, sailors have reported the eerie glow of "milky seas" — vast areas of ocean that shine at night like a soft ...

The universe is full of phenomena that have seemed unexplainable to human beings, but only until science had an answer for it ...