A new study observed Amazon river dolphins for 218.9 hours and saw males spurt urine into the air 36 times—proof that the behavior is more common than we thought.

There are so many fun things to do in Oahu with kids! From Waikiki to historic Pearl Harbor to the scenic North Shore, we ...

The sinuses of the ancient relatives of modern-day crocodiles prevented them from becoming deep divers like dolphins and whales, according […] ...