A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.

That moment of indigestion somehow survived the rise and fall of the dinosaurs, hardening into a “regurgitalite” that ...

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.

The largetooth sawfish is a critically endangered fish distinguished by its long, blade-like snout edged with tooth-like ...

Do Rueben Bain's short arms really matter? We asked everyone from his college defensive coordinator to a renowned Tyrannosaurus rex expert.

Alnashetri is truly tiny. Weighing in around 0.7 kg (1.5 pounds), it is smaller than a chicken,’ stated University of Minnesota paleontologist Peter Makovick ...

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of ...

The invasion of Ukraine has displaced millions of people, but it has also created a silent crisis for animals left behind in suddenly abandoned cities and villages. Pets, farm animals, zoo inhabitants ...

From iguanas to ancient dinosaurs, discover the surprising ways animals have evolved to use their tails as defense mechanisms against predators.

Despite strong laws against it, animal fighting — most commonly dogfighting and cockfighting — continues to surface in Pennsylvania and across the country. Advocates and law enforcement argue the ...

(The Center Square) – Despite strong laws against it, animal fighting – most commonly dogfighting and cockfighting – continues to surface in Pennsylvania and across the country. Advocates and law ...