Nests die out in late summer but are building up now. There are 26 species of bumblebee, eight of which are very common in gardens with every other garden being said to hold a bumblebee nest. Solitary ...

The closest the field has come to solving the planar unit distance problem, first proposed in the 1940s, was in 1984. Now, OpenAI claims an internal model has cracked the puzzle.

The math world is losing its mind over the new solution to an Erdős problem. This is what AI found, how we missed it—and why it matters.