Those bizarre sea creatures that light up like carnival rides are actually ctenophores, which have an ancient brainlike structure.

Scientists have uncovered surprising complexity in a tiny sensory structure found in comb jellies, some of the oldest animals on Earth.

The Atacama Desert, known as the driest place on Earth, has revealed a surprising secret: a hardy creature. New research ...

The remains of a "weird" creature with a twisted jaw and sideways-facing teeth have been discovered in the Amazon jungle.

The fossil measured only 4 centimeters, nowhere near the giants that made Arthropleura famous. Yet this small specimen, found ...

Many people deem scorpions as one of the most interesting members of the class Arachnida owing to their formidable looks, ...

The fastest creature in the world isn’t a cheetah or a falcon: it’s a single-celled organism known as Spirostomum ambiguum, commonly found in bodies of ...

The “gravity hole” formed at least 70 million years ago after convection in Earth’s mantle. The weak gravity could impact our ...

Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period.

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate relatives spread after the mass extinction.

The ultimate list of animals in Asia and where to see them, from giant pandas to India rhinos, tick these Asian animals off ...