Some echinoderms have thousands of eyes on their backs. When the lights come on, they switch to wearing shades.
Through Islam and the Internet, a new generation seeks its fair share.
Earth's earliest known forms of animal life were trailblazers.
“Vision” in single-celled Synechocystis works by principles similar to the human eye.
The fate of the Caspian seal may have been decided ﬁve million years ago.
Robber ﬂies are top predators in the insect world.