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

Congress is killing clean energy tax credits. Here’s how to use them before they disappear. The “one big beautiful bill” that President Donald Trump signed into law in July is set to upend many ...

The Earth supports the only known life in the universe, all of it depending heavily on the presence of liquid water to facilitate chemical reactions. While single-celled life has existed almost as ...

Fixing climate change is no small task — just ask carbon removal developers like Mitti Labs. The New York-based startup has developed technology to measure how much methane is released by rice paddies ...

It was a sweltering afternoon at a Walmart near Traverse City, Michigan. Families moved up and down the aisles, oblivious to the danger looming nearby—until chaos erupted. In seconds, 11 people went ...

Does the idea of Mario eschewing the dev-intended carpets in Mario 64 keep you up at night? Do speedrunners, dedicating themselves to games like pro athletes, make you weep? Don't worry, Nintendo's ...

Scientists recently estimated, for the first time, that the North Atlantic Ocean contains millions of tons of nanoplastics. To measure it, they used a detection method that picks up the chemical ...

Sens. John Fetterman, D-Pa., and Kevin Cramer, R-N.D., have introduced a bill that would generally require those conducting in-person business to accept cash as payment from customers. "Any person ...

(CNN) — The Tour de France’s reputation precedes it. Even if you’ve never seen a bike race or struggle to name a professional rider, the most casual sports fan is aware of just how physically and ...

Rep. Addison McDowell, R-N.C., has introduced a bill which would declare that engrossed bills, executive orders, pardons, and commutations may only be legally signed by the president, and an autopen ...