Have you heard of frazil ice? No, me neither! But for outdoorsy people, especially hikers, it is worth knowing a thing or two about this type of ice and why it can be dangerous. You might have ...

If you live in northern areas of the U.S. where lakes and rivers freeze over in the winter, you may have seen frazil ice and didn’t even realize it. Frazil ice is a "slushy ice" that forms on ...