The shortage of healthcare workers has inspired a high-tech solution: real doctors beamed into rooms as holograms. NBC News' Priscilla Thompson reports.

An optical illusion is going viral on social media. The image shows the alphanumeric U5A in all rows and columns. The challenge is to find the word USA hidden within the image. The illusion plays on ...

A brain-teasing picture puzzle challenges readers to identify an extraterrestrial hidden in plain sight during a wedding ...