Hagoromo chalk has developed a cult following among mathematicians. When the company went out of business, chaos ensued.

Unlike permanent and semi-permanent dyes, the best hair chalks offer a fun way to achieve a vibrant, temporary hair color. Find out which one works best, here.

I've dyed my hair, used colored extensions, and read about crazy colored hair trends for years. But I've never looked into what exactly hair chalk is made out of. The look has really become ...

Artificial intelligence infrastructure startup Chalk said Wednesday it had raised a $50 million Series A funding round, valuing the company at $500 million. Felicis led the round.

If you have black hair, you'll want to use vibrant shades of hair chalk to make the color stand out.

If you're coveting a new hair color like the rainbow hair trend but don't want to commit to a permanent color, try these hair chalks for a dye that rinses out.

Chalk, the data platform for machine learning, announced today that it has raised $10 million in seed funding led by General Catalyst, Unusual Venture ...

Chalk AI Inc., a data platform for AI inference, announced Wednesday it has raised $50 million in early-stage funding led by Felicis at a $500 million valuation to accelerate the development of ...

Chalk, the data platform for AI inference, announced today that it has raised a $50 million Series A at a $500 million valuation. The round was led by Felici ...

"We are seeking a creative individual to design and create a vibrant chalk art piece that will serve as a centerpiece to our community open-air gallery at this event." ...

‘Chalk It Up!’ returns to Beaufort South Carolina with over 60 artists, live music & more. Here are the details on the SC festival.

The West Michigan Chalk Art Festival touts inflatables, caricature artists, strolling entertainment, a DJ and more. Pictured is chalk art done by a Caledonia resident. (Photo/Tanger Outlets Grand ...