An international team of biologists has discovered and described a new species of medicinal leech living in the freshwater wetlands of the eastern United...
Fossil clams found in southwestern Florida contain ancient microtektites, tiny (about 200 μm in diameter) glass beads that form when the explosive impact...
A new species of carnivorous bird-like dinosaur being named Hesperornithoides miessleri has been discovered by an international team of paleontologists...
On June 19, 2019, marine biologists on the Journey into Midnight research mission captured footage of the living giant squid Architeuthis dux about 100...
A slab of grayish limestone shale from the Eocene Green River Formation, the United States, caught a school of Erismatopterus levatus, an extinct species...
According to new research, levels of high-density lipoprotein (HDL), non-HDL and total cholesterol in U.S. youths have improved from 1999 to 2016, but...
Bald cypress trees (Taxodium distichum) over 2,000 years old grow in the forested wetlands along Black River south of Raleigh, North Carolina. One of the...
A new species of predatory tyrannosauroid dinosaur that lived about 92 million years ago (Cretaceous period) has been identified from fossils found in...
A research team led by Penn State scientists has identified the gene responsible for the color switch between the red and black color forms of the black-tailed...
An international team of paleontologists has found the exceptionally preserved fossilized remains of an enigmatic new type of crab, Callichimaera perplexa,...
Dr. Steven May, a paleontology research associate at the University of Texas at Austin, has studied and identified an extensive collection of fossils from...
The desert kangaroo rats (Dipodomys deserti) is a species of rodent found in desert areas of southwestern North America. These rats are abundant and seemingly...
Blackpoll warblers (Setophaga striata) that breed in western North America migrate up to 12,400 miles (20,000 km) roundtrip each year, some crossing the...
A team of archaeologists led by Washington State University scientists has discovered an ancient tattoo tool in southeastern Utah. With a handle of skunkbush...
Paleontologists in Arizona have identified microfossils of what are thought to be the oldest known frog relative in North America.
A Chinle frog, inside...
Paleontologists have unveiled a remarkable new species of tyrannosauroid dinosaur from the Cretaceous period: a small relative of Tyrannosaurus rex. The...
A team of scientists has discovered the largest individual of any cave salamander in North America — a 9.4-inch (23.8 cm) long specimen of the Berry...
In a paper in the journal PeerJ, paleontologists report finding a shark tooth embedded in an 80-million-year-old cervical vertebra of the large flying...
A new genus and species of herbivorous ceratopsid (horned) dinosaur being named Crittendenceratops krzyzanowskii has been discovered by paleontologists...
