This is the world’s smallest blue lobster tank or at least the tiniest one you’ve ever seen with a lobster this stunning. In ...

If you’re setting up an aquarium and want companions that will be with you for years, longevity matters.

Earth was not always blue. It was once purple and even pink, as per some scientists. Research has shown that millions of years ago, our planet was dominated by bacteria that reflected red and blue.

What is the handfish? Discover the handfish, a tiny fish with finger-like fins that’s critically endangered and needs our help.