Art historians have long used traditional X-rays, X-ray fluorescence or infrared imaging to better understand artists’ techniques. ...read more
High hopes for the holidays can be accompanied by "holiday blues." Here’s how to handle them. ...read more
New study examines rare sedimentary rocks atop some of the planet's oldest large land masses. ...read more
The cyclonically-rotating cloud feature moved across the East Pacific Ocean in mid-November, roughly midway between Hawaii and California. ...read more