Scientists just confirmed a 30-foot void first detected inside the monument years ago. Here’s the technology that helped scientists find it—and what it may have been used for.

The Balloon Museum is now open in Austin bringing colossal inflatable sculptures, luminous displays and works from 19 acclaimed international artists.

Cosmic pareidolia strikes again! NASA/JPL/MSSS True believers in the face on Mars had fallen prey to a psychological phenomenon called pareidolia, our brain’s tendency to impose a recognizable ...