With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since ...

For the first time, scientists have completed an in-depth analysis of fossilized soft tissues from a plesiosaur ...

Megalodon (Otodus megalodon) was another supersize version of a modern animal. Fossilized teeth suggest that megalodon, which reigned over ocean ecosystems between around 23 million and 2.6 ...

Between 66 million and 215 million years ago, long-necked reptiles called plesiosaurs inhabited the world’s oceans. By ...

Rising mountain peaks and sharp rock formations cover the ocean floor, with corals, sponges, fish, and tons of sea creatures ...

Imagine creatures that have survived since the time of dinosaurs. Species like the tuatara, sturgeon, crocodile, hagfish, ...

Sea turtle populations are rising thanks to conservation efforts, but climate change and habitat loss still threaten their ...

Ekranoplans—massive Soviet machines combining elements of ships and planes—were built to be the ultimate coastal transport ...

In the quiet cliffs of Stevns, Denmark, a 79-year-old amateur fossil hunter split open a piece of chalk last November and ...

Explore the real-life inspirations behind legendary creatures like mermaids, Kraken, Pouakai, dragons, unicorns, and Roc.