A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in ...

Think aliens only exist in space? Think again! Earth is home to some truly bizarre and otherworldly creatures that look like they belong on another planet. From deep-sea dwellers to strange land ...

The Cambrian sea was a very strange and alien place. Evolutionary biologist Stephen Jay Gould described the animals that lived ... eventually pushed their way onto land as insects and later ...

Land animals weren’t the only strange hybrids lurking within medieval bestiaries. A zitiron (or zytiron) was a fusion of a human knight and a sea creature. They were also known as mer-knights or ...

Pink and bulbous "sea pigs", hand-sized sea spiders and delicate sea butterflies are among the bizarre animals hauled up from the ocean floor by a team of Australian researchers aboard the ...

Land animals can reach islands by floating on ‘natural rafts’, such as large logs or carpets of vegetation, or on debris discarded by humans. Some seeds can survive months or even years at sea ...