If you've ever parked in a public space on a busy day, you may have noticed chalk marks on your tires when you went to leave.

Looking for a fun and inexpensive outdoor activity? Here are 25 fun things to do with sidewalk chalk that will keep your kids ...

One student complained that there should be a special emergency number to call in such cases — one wonders how often students are really going to need recourse to an unwelcome-chalk-message ...

Chalk is fun to draw with, and some people even get really good at using it to make art on the sidewalk. If you don’t like tediously developing such skills, though, you could go another route ...

Gymnasts use chalk, also known as magnesium carbonate, on high bar, parallel bars, uneven bars, and rings to reduce friction. They also use chalk on vault, beam, floor exercise and pommel horse to aid ...

Have you ever noticed white chalk marks on your car's tires and wondered who put them there — or why? It's natural to feel concerned when you see unfamiliar markings on your vehicle. While it ...