The rusty patched bumblebee (Bombus affinis) is an important pollinator in North America and a federally listed endangered species. Putting together its...
A new genus and species of mosasaurid being named Sarabosaurus dahli has been discovered by a team of paleontologists from the United States, the Netherlands...
Paleontologists in the United States have identified a new genus and species of early arctoid from an exquisitely preserved skeleton found in North Dakota’s...
Paleontologists have identified a new species of iguanodontian dinosaur from a partial skeleton found in the Cedar Mountain Formation, Utah, the United...
Recently, former and current government officials, legislators, and faculty in the United States have called for research on what their government terms...
A new genus and species of pachycephalosaurid dinosaur has been described from a partial skull found in Montana, the United States.
Life reconstruction...
The sled dog Balto has been celebrated in books and movies for his role in delivering desperately needed diphtheria antitoxin to Nome, Alaska, in 1925....
Paleontologists have identified a new genus and species of hyperodapedontine rhynchosaur from several specimens unearthed in central Wyoming, the United...
The Fossil Lake deposits of the Green River Formation of Wyoming in the United States have produced nearly 30 bat fossils over the last 50 years. However,...
Phosphate minerals such as those in the apatite group tend to be the dominant forms of phosphorus in minerals on the Earth’s surface. Phosphates can...
Siren sphagnicola inhabits seepage areas in the eastern Gulf Coastal Plain of the United States.
Siren sphagnicola, an adult hypertrophic male with a partially...
The dinosaur-bird transition is among the most fascinating events in evolutionary history, but several aspects such as changes in reproductive system,...
Paleontologists from the University of Texas at Austin have identified a new species of ancient beaver from the fossilized remains found at several sites...
Dunkleosteus terrelli, an armor-plated fish that lived in the shallow subtropical waters of the Devonian period, about 360 million years ago, is one of...
Edowa zuniensis is the first species of baenid turtle described from the Turonian age of North America.
Life reconstruction of Edowa zuniensis. Image credit:...
Palmichnium gallowayi, a 460-million-year-old fossil trackway of a sea scorpion, from upstate New York, is one of the earliest signs of animal life on...
Miracinonyx trumani is an extinct species of cheetah-like cat that roamed the North American prairies and steppe terrains more than 13,000 years ago.
Miracinonyx...
Scientists have found fragments a human-made projectile point in a rib of an American mastodon (Mammut americanum) from the Manis site, Washington, the...
Hibbertopterus lamsdelli is only the fourth, yet most reliable record of an American hibbertopterid sea scorpion.
Life reconstruction of a hibbertopterid...