The “elusive” animal sighting followed a devastating tsunami, 150 years of scanty records and failed searches.

Geologists find giant mosasaur vertebra in Mississippi, a marine predator that ruled the seas 66 million years ago, ...

Jonathan is the world’s oldest known land animal—born in 1832. He lives on the island of Saint Helena. This deep-sea giant ...

From deep-sea sponges to ancient tortoises, the longest-living animals can survive for centuries, even pausing aging.

To pinpoint how climate change will play out, scientists are trying to solve a painstaking puzzle with clues etched in ...

The ocean quahog is a hardy clam species believed to have a lifespan ... making it the longest-lived vertebrate species known to science. The giant tortoise has a relaxed lifestyle, which helps ...

In the sand surrounding coral reefs, the giant clam reigns supreme; they are massive, multi-colored, and statuesque. As the largest living bivalve mollusk, the giant clam acts as a lynchpin for its ...

A clam squirted water in a defensive response as a forager attempted to pry it open. Footage shows a woman using a small rock to shuck the mollusc, which was tightly attached to a rock in Shan ...

But these animals don’t bulk up on a high-protein diet. Instead, they rely largely on energy produced by algae living inside them. In a new study led by CU Boulder, scientists sequenced the genome of ...

But these animals don't bulk up on a high-protein ... scientists sequenced the genome of the most widespread species of giant clam, Tridacna maxima, to reveal how these creatures adapted their ...