This video dives into a pond full of betta fish, where the breeders have been hiding, growing, and showing off colors you never see in store cups. You will see the scoops, the flashes of color, and ...

Scientists reveal Priocharax rex, a tiny Amazonian fish with a strange skin “wing” that redefines evolution in miniature.

A 16-year-old from Suitland, Maryland, says Make-A-Wish made her dream of swimming with whale sharks into reality last summer in Mexico.

While not venomous, their bite can cause serious infections and they are potentially dangerous to people and pets. This ...

From queen-slaying ants to brawling kangaroos, these species reveal just how savage survival can be in the natural world ...