This giant creature had large muscles attached to its shoulder bones. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Gigantic ancient sea ...

Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dinosaur Train is available to stream on pbs.org and the ...

Mosasaurs may have been one of the most terrifying reptiles to live during the age of dinosaurs, given its enormous size and jaws. But a new study suggests the massive sea monster may have had another ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

An enormous sea snake from Norse legend that was fathered by the trickster god Loki and grew big enough to circle the globe is now the namesake for a different type of “monster” — a newly discovered ...

BLACK HILLS, S.D. (AP) - When Frank Garcia was only eight-years-old, when he remembers going to the library in West Tampa, Florida, and opening up a book about dinosaurs. The first page he saw ...

This mosasaur skeleton, belonged to Tylosaurus proriger, measures about 29 feet long and is on display at Sternberg Museum of Natural History in Kansas. Tylosaurs lived about 88 to 78 million years ...

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...