For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Richard Fishacre challenged the scientific orthodoxy of his day, and contemporary astrophysics has vindicated his position.

Dear Annie: In a world that often feels rushed and stressful, I have started to pay more attention to the little things that brighten my days. My neighbor waves from her porch every morning when I ...

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just ...

When counting squares in a grid, don’t stop at the smallest boxes; the bigger ones are hiding too. The rule is simple: In an n × n grid—where n is the number of squares both horizontally and ...

I saw this viral challenge and knew I had to try it! I'm taking a simple sheet of aluminum foil and grinding, hammering, and ...

Three of the beloved TV artists’ paintings sold for big bucks at a fundraising auction for public television on Tuesday.

Dear Annie: I have recently become acquainted with an older gentleman who is about the same age as my father would have been, well over 100. He is surprisingly active for his age, much more than I am, ...

Joe Flacco is discovering the pleasures of dining alone. Our food writer came up with 11 spots that are great for solo dining. They include spots in both Cincinnati and Northern Kentucky. Joe Flacco ...

Dear Annie: I have been married for more than 35 years, but for most of that time, I have felt unloved and trapped. I came into this marriage desperately wanting children, and when my husband was ...

Dear Annie: I am struggling with what feels like a small thing, but it weighs on me. I have several great-nieces and great-nephews, and over the years I’ve tried to remember birthdays with cards, ...