New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, ...

Ancient fossils reveal the oldest known vertebrates had four eyes. Remarkably preserved fossil specimens show they could see ...

The discovery shows that ancient vertebrates had a far more complex visual system than previously thought. The post Fossils ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...

As habitats and hosts keep vanishing, the bloodsuckers are turning to us for a free meal.

A paper published last year in the Journal of the Royal Society Interface described a feather as a masterpiece of engineering, one comprising nine orders of magnitude, from the nanoscale to the meter ...

The latest installment in the blockbuster film franchise introduced audiences to a cute and tiny herbivore known as an ...

Sleep looks peaceful on the outside, but inside the brain, it is anything but ...