Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

A scientist has recently built a radar for critically endangered hammerhead sharks using environmental DNA (eDNA) samples.

A group of researchers discovered that the rhodopsin -- a protein in the eye that detects light -- of whale sharks has changed to efficiently detect blue light, which penetrates deep-sea water easily.

When we imagine plants and animals from the deep past, we are necessarily doing so with incomplete information. A quick comparison of dinosaur illustrations from today and a few decades ago will ...

Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...

Animals come in all shapes and sizes, and many have iconic features that make them memorable. From the long necks of giraffes to the oddly shaped heads of hammerhead sharks, here's how 10 remarkable ...

It sounds like something out of a Hollywood film script, but it really happened: Shark-evolution researchers say that increased ocean temperatures more than 100 million years ago may have caused ...

The evolution of the shark is not what most people would expect. Instead of sharks evolving from a massive predator, the original creature was a small, leaf-shaped fish. This fish lacked eyes and fins ...

Bulletin: ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM EDT WEDNESDAY... * WHAT...Dangerously hot conditions with heat index values up to 106. * WHERE...In New ...

While Silicon Valley startups focus on short-term gains, sharks play the long game. They’ve been around for 450 million years. This makes them look like newbies compared to dinosaurs. Sharks have ...

Do not panic when you read the following sentence: there are sharks that have developed legs who can walk on land. No, this isn’t a creature feature a la “Sharknado” or “Snakes on a Plane.” This is ...

Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...