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

A linear sequence goes from one term to the next by always adding (or subtracting) the same value. The number added (or subtracted) at each stage of the linear sequence is called the common difference ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't ...

DeepMind’s AlphaEvolve helps solve a math puzzle with Terence Tao, showing how AI can now invent new ideas—and prove old ones ...

Choose individual stocks if you can dedicate time to research; otherwise, consider index funds. Invest only funds not needed for at least five years due to stock market volatility. Open a brokerage ...

The Numeros n-First aims to be a women-friendly electric scooter for daily commutes. We test its design, comfort, features, ...

How will Mikie Sherrill address N.J.’s segregated school system? The inside story of how Mikie Sherrill’s campaign for N.J. gov went from lackluster to landslide What experts say about Sherrill’s big ...

Russell Holly is a Managing Editor on the Commerce team at CNET. He works with all of CNET to assemble top recommendations as well as helping everyone find the best way to buy anything at the best ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Yarilet Perez is an experienced multimedia journalist and fact-checker with a ...