Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially letting them communicate visually and ...

In today’s fast-changing world, where species are constantly evolving and many are disappearing, it’s fascinating to learn ...

A coelacanth, known by some as the "dinosaur fish," was spotted in eastern Indonesia in a rare sighting of a species once ...

Researchers said they named the new species after Ivo Silva dos Santos, a “technical assistant in the Ichthyology Laboratory ...

A recent discovery in Oregon indicates promising progress for a rare species that was once on the brink of extinction.

For the first time, a camera about 50 feet away recorded a group of orcas closing in on a solitary prickly shark in deep ...

Mosshead warbonnets, most often found at depths of 66 feet or less, are known for being poor swimmers and lead a ...

The Birch Aquarium is turning heads with an exhibit featuring a rare 11-foot oarfish that was discovered near Grandview Beach in Leucadia.

The Indonesian coelacanth, a fish once thought to be extinct for 70 million years, was discovered alive in greater numbers ...

The stomach of the longnose lancetfish — a.k.a. the mysterious “twilight zone fish” — yielded entire squids and undigested ...

What would you eat for lunch, if you knew someone was going to be judging you for it 15 million years later? That was ...