A mosasaur may have laid this football-size egg 68 million years ago.

New research on mosasaurs, based on new technologies and fossil discoveries, sheds light on their evolution, feeding habits, ...

KAINAN, Wakayama Prefecture--A mosasaur fossil found in the mountains in the prefecture almost two decades ago has been determined to be a new genus and species that lived more than 70 million ...

In 2023, while a fossil hunter was hiking through the Ozan Formation in Northern Texas, the upper and lower jawbones of the ...

Ichthyosaurs were reptiles that swam in the seas during the time of the dinosaurs. They evolved separately around 250 million ...

"A relatively large number of fossils are known from the second half of the evolutionary history of mosasaurs, allowing a good understanding of the relationships among those species, which have ...

"A relatively large number of fossils are known from the second half of the evolutionary history of mosasaurs, allowing a good understanding of the relationships among those species, which have ...

Fossil hunter Alan Detrich, Overbrook, is pictured with a 17-foot Mosasaur, he discovered several years ago in Gove County, Kansas. Detrich, who has uncovered various dinosaur fossils says it took ...

A trio of fossil finds through the years helped put Manitoba on the mosasaur map, and the milestone of those finds have all been marked in 2024. The discoveries span back 50, 90, and 140 years ago ...

On the online trading site eBay, Mosasaur fossils are popular. The remains of these striking marine reptiles are now changing hands at a rate of around 100 every month in the UK - a 42% increase ...

These long-extinct, fearsome creatures are turning up in living rooms and corporate offices as wealthy collectors indulge a controversial hobby. A Kaatedocus siberi stands among an eclectic mix of ...

Polcyn's research has also unveiled details about mosasaur feeding behaviors. Among the most striking discoveries was a fossil from Angola: a mosasaur containing the remains of three other ...