A fossil beak from an ancient octopus has forced scientists to rethink who ruled the Cretaceous seas. Researchers say two ...

New research has uncovered fossil evidence showing that giant finned octopuses, some up to 62 feet long, were apex predators during the Cretaceous period. The discovery challenges long-held ...

Fossil egg found in Antarctica suggests marine reptiles laid eggs, challenging previous beliefs about ancient life.

The kraken: a giant squid or octopus of myth, seems to have swam in the Cretaceous oceans, a Japanese study shows.

Scientists have identified two extinct finned octopus species from the Cretaceous period, one reaching up to 62 feet, that likely rivaled marine reptiles as apex predators. Fossilized jaws found in ...

For more than two decades, dozens of unusually small armored dinosaur fossils from northeastern China defied easy explanation ...

The massive invertebrates may have been top predators, according to an analysis of their fossilized jaws. The work suggests ...

Sul Ross State University geology students collected a giant Alamosaurus vertebra from Big Bend National Park in March 2025.

A Japanese research team estimates, based on fossilized octopus jaws over 70 million years old, that these predators could ...

During the same period, dinosaurs such as T rex, Triceratops, and Velociraptor dominated life on land, while these octopuses ...

Learn about a small rodent-like mammal whose descendants survived the extinction event that killed all non-avian dinosaurs.

A newly discovered prehistoric mammal reveals how small, adaptable species may have survived Earth’s deadliest extinction ...