Mosasaurs were enormous reptiles best known for ruling ancient oceans more than 66 million years ago, but new evidence suggests some also lived in rivers. Scientists reached this conclusion after ...

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

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 ...

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Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Nearly 70 million years ago, mosasaurs were the stuff of nightmares ...

A 66-million-year-old tooth discovered in North Dakota, USA, suggests that some mosasaurs — extinct lizard-like reptiles that could grow up to 12 metres long — may have hunted in rivers as well as ...

A drawing of an orange, cloud-covered planet against a black background During the Archean Eon, 4-2.5 billion years ago, Earth likely looked very different than it does today. Its hazy skies may have ...

Early Earth’s atmosphere may have manufactured key sulfur molecules, giving life a head start. Credit: Shutterstock Researchers have found that early Earth’s atmosphere could naturally produce ...

Archaeologists often seek to understand ancient cultures by studying images left behind on rock faces. While these images vary widely, they're a global phenomenon. In fact, petroglyphs and painted ...

Step back into the world of Ancient Rome, mapped out through Google Earth with unit placements that bring history to life. This video explores the city’s iconic landmarks, military formations, and the ...

Long before chemistry kits and stainless tanks, people figured out how to coax sugars into alcohol. The usual suspect behind that alchemy is Saccharomyces cerevisiae, the yeast used in modern wineries ...