In 1900, at the grand amphitheater of the Sorbonne in Paris, David Hilbert stood before a crowd of mathematicians and delivered a speech that would echo through the next century. He outlined 10 — and ...

It has plagued scientists since the days of Isaac Newton. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A physics problem that has plagued ...

The "three-body problem," the term coined for predicting the motion of three gravitating bodies in space, is essential for understanding a variety of astrophysical processes as well as a large class ...

Note: The following article contains spoilers about the Netflix series 3 Body Problem. I first encountered the three-body problem 60 years ago, in a short story called “Placet is a Crazy Place” by ...

Timothy Ferris is the author, most recently, of "Seeing in the Dark: How Amateur Astronomers Are Discovering the Wonders of the Universe," which won the 2003 PEN USA West award for research nonfiction ...