The fossil record is filled with strange marine animals that would look like sea monsters if they were alive today.
Gold miners unearthed a mangled lump of mummified flesh, which upon further inspection turned out to be a balled-up Arctic ground squirrel.
The never-before-seen fish was spotted 5 miles below the ocean's surface in the Izu-Ogasawara Trench near Japan.
Paleontologists have confirmed that a rock enclosing a perfectly round agate crystal is actually a titanosaur egg, which was probably smothered by lava after a volcanic eruption 67 million years ago.
Lolita, also known as Tokitae, is returning to the waters of the Pacific Northwest more than half a century after her capture there.
New research has found that troodontids, a group of bird-like dinosaurs that lived 74 million years ago, had high enough body temperatures to brood their eggs in communal nests.
Paleontologists have suggested that thin, lizard-like lips concealed the gigantic teeth of T. rex and other predatory dinosaurs, but not all experts are convinced.
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