Controversy has been brewing around the World Snooker Championship this week over Ronnie O'Sullivan's choice of chalk.

Riverlife Chalk Fest is set to return to Pittsburgh’s North Shore, offering a free and all-ages celebration of chalk art, ...

Tori Brinkman, of San Diego, Ca., strikes a creative pose with a mural created by award-winning artist Mario Zucca on Tuesday, Aug. 20, 2024, during Crayola Experience’s Chalk the Walks Day in Easton.

Add Yahoo as a preferred source to see more of our stories on Google. Back in the day, we used chalk to draw on the sidewalk or do math in the classroom. And while schools have moved past blackboards, ...

Groups marched along the edge of the River Loddon near Basingstoke on Monday.

Scientists found that salmon in rare chalk rivers are genetically different from other salmon. These unique fish may form ...

The massive chalk of Europe lies below the English Channel, under much of northern France, under bits of Germany and Scandinavia, under the Limburg Province of the Netherlands, and—from Erith Reach to ...

Chalk-stream salmon should be officially classified as a sub-species, new research suggests. Scientists from the University ...