Sharks can detect a drop of blood from a kilometre away, but apart from this jaw-dropping fact, little is known about how these animals smell. Using the most accurate and detailed model ever made of a ...

Add Yahoo as a preferred source to see more of our stories on Google. The characteristic hammer-shaped head is just becoming visible in this image of an embryonic bonnethead shark. Scale bar = 1 cm.

When identifying sharks, the hammerhead stands out thanks to its hammer-shaped head. The great hammerhead shark is estimated to have evolved around 20 million years ago, making it a relatively recent ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Off the coast of Mexico, National Geographic Explorer Bertie Gregory spots a lifeless creature dangling from a fishing line. With a bulging head that looks like it swallowed a gavel, there's no ...