When related animals produce offspring, the young can be affected by physical abnormalities and health problems. We explain why.

Speed collides with raw kaiju power as Godzilla invades Sonic Rumble for a limited-time event. There have been some ...

Saharan Africa towers the giraffe, draped in mosaics of brown and tan patches. Long regarded as a single species, this iconic ...

Over the last four months, the L.A. Zoo has welcomed the birth of five great apes, including a gorilla, orangutan and three chimpanzees. Here's how staff are managing their care.

Mega monsters, the gigantic beasts capable of crushing cities, have been a defining force in movies. Here are the most ...