WASHINGTON - They just needed some legroom: New research shows the great dinosaur die-off made way for mammals to explode in size - some more massive than several elephants put ...

The glyptodont was a herbivorous mammal that could reach three meters in length and weigh more than a ton, with the largest specimens found measuring up to 4.20 meters and weighing up to 2,000 kilos.

The last major extinction Scientists often call the past 66 million years of Earth's history the Age of Mammals. During this time, our furry relatives took advantage of the extinction of the ...

The glyptodont was a herbivorous mammal that could reach three meters in length and weigh more than a ton, with the largest specimens found measuring up to 4.20 meters and weighing up to 2,000 kilos.

In an article published in the journal Nature on Wednesday, scientists detail the gigantic, 39-million-year-old mammal using vertebrae, rib and hip bones unearthed in southern Peru. Lead study author ...

Bison became smaller in size, but most of the mega-mammals, such as mammoths and mastodons could neither adapt nor move. They were hunted and became extinct. Lange Ferguson site ...

Initially, Cope’s Rule seemed like a good explanation for the mega mammals like wooly mammoths and saber tooth tigers that once roamed North America. For dinosaurs, too, Cope’s Rule appears to ...

The early mammals in this study — like many during the Mesozoic Era — were small creatures much like rodents, shrews or moles. They also appear to have had similarly gray and brown coats.

Shawkey’s team started by looking at the melanosomes in the fur of a diverse range of 116 living mammals. From this, the researchers developed a model that predicts fur colour based on ...