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

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 ...

New research reveals sharks and rays have been declining for 45 million years, offering key insight into today’s accelerating ...

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 ...

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.

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 ...

A team of international researchers led by the University of Vienna have investigated the development of shark and ray ...

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 ...

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, ...