As adults, sand tiger sharks are known for being relatively non-aggressive. But as babies, these animals engage in a cannibalistic war with dozens of siblings in which only one survives. It's all part ...

This article was originally featured on Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. When a shark is born ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Scientists are getting better at keeping premature baby sharks alive in aquariums—a boon when captive sharks give birth early, or when aquariums receive donations of living shark fetuses taken from ...

These extinct sharks gave birth to some really large babies -- about the size of a full-grown human adult. At birth, megalodons were about 6.6 feet, or 2 meters, in length, according to a study ...

Tiger shark embryos already form teeth in the womb The present study also provides the first comprehensive description of the tooth form of tiger shark embryos: According to this study, the embryos ...