Male pregnancy evolved in these species to increase reproductive success. By shifting gestation to males, females can produce ...

A beagle puppy with the cutest little bark is melting hearts in this post from puppysherpa. Puppies typically begin to bark around eight weeks old, but unfortunately, they won’t keep the adorable ...

Have you ever seen a blue sea creature like this one? The oceans of the world are home to some unusual creatures, and few compare to the likes of this sea slug. So, let’s dive a little deeper into ...

(CNN) — A guitar-shaped shark, a fan-like coral and a venomous deep-sea snail equipped with harpoon-like teeth are among 866 previously unknown species discovered as part of an ambitious effort ...