After federal tax credits for renewable projects expired, joining a solar co-op is one way to save on residential solar.

Add Yahoo as a preferred source to see more of our stories on Google. The bat-and-ball problem is famous for eliciting the wrong answer, even from brilliant people. There’s a blindingly simple math ...

Dylan Kane likes his math curriculum. But there’s one important piece missing, he says. The 7th grade math teacher in Leadville, Colo., uses a program that teaches math skills through real-world ...

Artificial intelligence is mastering the kinds of projects that have long helped to build the careers of young mathematicians. What does that mean for their future? Credit...Illustrations by Yoshi ...

The best-yet test of artificial intelligence’s mathematical mettle has released its first official round of results. The verdict is that large language models (LLMs) are emerging as useful—albeit ...

A bill moving through the California Legislature would test students as early as kindergarten on math. It's part of an effort ...

Think about placing dots on a flat surface. You want as many pairs as possible to be separated by the same distance. For any amount of dots, what is the greatest possible number of pairs that can be ...

A surprising new study suggests that completely eliminating sugar may backfire. Mice on a sucrose-free low-fat diet showed worse blood sugar control, increased inflammation, disrupted gut bacteria, ...

Before discussing the top really free VPNs, let’s take a detour and present a better solution. Some premium VPNs let you use them risk-free and not lose money in the first 30 days with a money-back ...