At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

While modern octopuses have DNA that consistently gets reshuffled, resulting in some chromosomal mixing, the researchers found that the vampire squid's genome kept much of its ancestral, squid-like ...

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The bonebed contains the 21-million-year-old remains of sea cows, sharks, barracuda-like fish, prehistoric dolphins and sea ...

The sturgeon is an ancient and iconic species of fish. Long and bony, with a body covered in armored plates known as scutes, the sturgeon has been called a “living fossil” with evolutionary roots ...

(PhysOrg.com) -- Ancestors of tapirs and ancient cousins of rhinos living above the Arctic Circle 53 million years ago endured six months of darkness each year in a far milder climate than today that ...