My eight-year-old son, Zac, dived straight in to snorkel, popping up every so often clutching miniscule scaphopoda “tusk” shells or a piece of bleached coral that he’d scooped up from the seabed below ...

A trail of life-sized turtle sculptures has been placed around central London, to raise awareness of marine conservation ...

PEOPLE profiles the winners of Prince William's Tusk Awards, which the Prince of Wales handed out in London on Nov. 27. Each of the winners is a champion for wildlife and conservation, and each ...

A paleontologist recently discovered a 4-foot-long mammoth tusk while on a quarry dig. The rare find is thought to be 450,000 years old. "I could not believe my eyes," said Jamie Jordan.

But to find a whole tusk is "super rare." "Only a handful of ever come out of Venice," said Lundberg. The fossil hunter added that his friend found an eight-foot tusk in the same area three years ago.