The New York Times crossword puzzle can be tough, even if it isn't the Sunday issue! If you're stuck, we're here to help you ...

This week we present animal trivia that you can use to amaze your friends. Sloths move so slowly (in a tree it only moves nine feet in one minute) that it needs good defensive camouflage. It has green ...

Get into the Emerald Isle spirit with a very green St. Patrick's Day 5K, plus tons of family-friendly events and concerts this weekend.

The sloth in the video above appears to be an adult pale-throated three-toed sloth, or Bradypus tridactylus. Their native habitat is the canopies of tropical rainforests in Central and South America.

Archeologists in Mexico have found fossils of extinct animals in a cenote in Umán, Yucatán, including those of a giant sloth and prehistoric horses. Speleologist (cave researcher) Cristián ...