The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

Fossils reveal that long-necked baby dinosaurs were the main food source for large, voracious Jurassic predators.

Newtonsaurus cambrensis is very large, larger than most, if not all, contemporary predators. For a therapod dinosaur from the Triassic era to be so large is essentially unprecedented. Scientists in ...

A new study by Dr. Jordan Mallon of the Canadian Museum of Nature in Ottawa, Canada and Dr. David Hone of Queen Mary University of London, U.K., looks at the maximum possible sizes of dinosaurs. It is ...

Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among the largest meat-eating dinosaurs.

Two large fossils believed to be from a longneck sauropod dinosaur recently were unearthed in the Royal Gorge Region. Paleontologist Joshua Broussard talks about two smaller fossils that were ...

The long necked sauropod dinosaurs were the largest land animals ever to walk the Earth – but why were they so large? A decade ago a team of plant ecologists from South Africa suggested that this was ...

If you've ever seen a cut-down tree, you've noticed the rings that mark each year of growth. But those rings don't just show the tree's age. They show how fast the tree grew. A new study took this ...

A man in Pombal, Portugal, made an unexpected and truly jaw-dropping discovery while working on his property back in 2017—a collection of fossilized dinosaur bones. At first, it was just a few curious ...

Gainesville, Fla. -- If you think dinosaurs are hot today, just think back to about 110 million years ago when they really ran hot and heavy. One of the larger animals, a behemoth called Sauroposeidon ...