Although remarkable looking, it is not looks that have scientists excited about this "walking" fish with six legs. Instead, it is what was proven about evolution that was the real thrill.

A couple walking along a St. Pete Beach in Florida came across an unusual egg, a clearnose skate fish hatched and swam off.

But urban sprawl, contaminated water and non-native fish that like to eat young axolotls have led to the salamander’s near-total collapse, according to population surveys. The axolotl is not the ...