Though the Fibonacci sequence shows up everywhere in nature, these young mathematicians were surprised to find it in the ...

A tetrahedron is the simplest Platonic solid. Mathematicians have now made one that’s stable only on one side, confirming a decades-old conjecture.

Sandiegouniontribune.com covers local news in San Diego County, CA, California and national news, sports, things to do and the best places to eat, business and the San Diego housing market.

Our film critics on blockbusters, independents and everything in between.

The kick would have broken the NFL record by four yards had Little made in the regular season.

These top-rated low-cost Windows laptops and Chromebooks make short work of everyday computing (and sometimes more). The best part? Many of them ring up for less than $500.

To participate, submit your response here by Aug. 15 at 9 a.m. Eastern. This week’s winners will be announced by Aug. 26. By The Learning Network Grady Zheng, 16, writes about a “grieving ...