The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant ...

Lord of the Rings' filmmaker Peter Jackson is backing a project to resurrect New Zealand's extinct giant moa. But if it doesn't look like Jurassic Park, then what does 'de-extinction' actually mean?

The Georgia Aquarium describes a whale shark’s throat as the size of a quarter, though others say it can be as large as a ...

The giant moa has been extinct for 900 years, but Maori researchers working Colossal Biosciences and filmmaker Peter Jackson ...

A 13-day survey conducted in the Clarion-Clipperton Zone (CCZ) found a large variety of marine life living in the region, ...

Hitan" in Arabic, holds more than 400 primitive whale skeletons that offer a snapshot of the evolution of these creatures ...

The Canadian government says it is taking steps this summer to protect a vanishing species of whale from lethal collisions ...

Long known only as the site of Napoleon’s exile, Saint Helena is in fact a sanctuary of rare biodiversity, dramatic ...

The average whale shark measures about 30 feet long, with a mouth stretching nearly 5-feet across. The largest whale sharks ...

The month’s sharpest science shots — selected by Nature ’s photo team.

The smallest species of whale tricks its predators by gushing gallons of red fluid into the water when under attack.

Sydney’s harbor becomes a humpback highway in winter as the whales migrate from feeding grounds in Antarctica to breeding ...