Few complete skeletons remain of this gentle behemoth, who was destroyed by explorers and fur traders in the Arctic.

A rare fossil has provided a snapshot of what was an exceptionally unlucky day for a prehistoric sea cow. The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea about ...

Steller’s sea cow was an extraordinary creature, an enormous, kelp-eating, cold-water relative of the dugong and manatees that was hunted to extinction within three decades of its discovery by ...

DURHAM, N.C. — Zoologists refer to manatees and dugongs as “sea cows” but a simple internet search might return the more playful moniker “floaty potatoes.” Now, imagine a 24,000-pound version, twice ...

Dugongs, or sea cows, are believed to have inspired ancient seafaring tales of mermaids. Now, the species is vulnerable to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more A rare fossil has ...

While only four species of slow-moving aquatic herbivores of the order Sirenia remain on Earth, many different kinds of sea cows lived over the past 47 million years. Sea cows have lived along the ...