About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...

The remains of a giant “sea monster” that once dominated the oceans was unearthed by geologists on a riverbank in the Mississippi River, scientists have said. Geologists discovered a fossilised single ...

Geologists in Mississippi unearthed a large vertebra belonging to a Mosasaurus hoffmannii, a giant marine reptile from the late Cretaceous period. The discovered vertebra, potentially the largest ...

Ancient Antarctic Sea Monster May Have Laid This Football-Size Egg. A 68 million-year-old egg the size of a football — the largest soft-shelled egg on record and the second largest egg ever discovered ...

It's been a big year for science news. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. From orcas wearing salmon hats to April's total solar ...

Great white sharks have long stood in our collective imagination as the ultimate predator in our oceans. These sizable sharks ...

The historian Procopius described how a creature called Porphyrios terrified sixth-century sailors for 50 years. But what was it? A sixth-century Byzantine mosaic depicts an amphibious monster—though ...