Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly what kind of microbes bored into the rock remains unknown, as does ...

This is an updated version of a story first published on Feb. 15, 2025. The original video can be viewed here. We begin with Timothée Chalamet, who earned his third Oscar nomination this past week, ...

When the Rev. Martin Luther King Jr. stepped to the podium at the Lincoln Memorial on a stifling hot August day in 1963, he faced a cast of characters who also knew how to command a stage. Most now ...