Paleontologists have discovered 50- to 25-million-year-old fossilized footprints of invertebrates and vertebrates, including a false saber-toothed cat...
Palaeospondylus gunni, a small creature with an eel-like body that lived during the Middle Devonian epoch around 390 million years ago, is represented...
Characterized by a finless torpedo-shaped body, Nuucichthys rhynchocephalus is the first soft-bodied vertebrate known from the American Great Basin.
Nuucichthys...
Dinosaurs debuted on Earth’s stage in the aftermath of the Permian-Triassic mass extinction event, and survived two other Triassic extinction intervals...
Danionella cerebrum, a translucent fish species of only 12 mm length, produces high amplitude sounds exceeding 140 dB (re. 1 µPa, at a distance of one...
The hindbrain of both sea lampreys and humans is built using an extraordinarily similar molecular and genetic toolkit, according to new research led by...
Biologists from Altos Labs-Cambridge Institute of Science, the University of Cambridge and elsewhere have found that a retrovirus-derived genetic element...
Paleontologists in China have unearthed and examined the superbly preserved fossilized remains of two lamprey species from the Jurassic Yanliao Biota....
Sharks occupy diverse ecological niches and play critical roles in marine ecosystems, often acting as apex predators. They are considered a slow-evolving...
Paleontologists have found 130-million-year-old trace fossils from abyssal plain turbidites of the ancient Tethys Ocean. Combined with nannofossil dating,...
Perucetus colossus substantially pushes the upper limit of skeletal mass in mammals, as well as in aquatic vertebrates in general. This early basilosaurid...
Paleontologists say they collected numerous vertebrate specimens from the Late Jurassic Malone Formation in the Malone Mountains of western Texas, the...
Skates are cartilaginous fish whose body plan features enlarged wing-like pectoral fins, enabling them to thrive in benthic environments. However, the...
Acoustic communication, broadly distributed among vertebrates, plays a fundamental role in parental care, mate attraction and various other behaviors....
Paleontologists from Curtin University and elsewhere have studied a three-dimensionally mineralized heart (the oldest ever found), stomach, intestine and...
Trout and frogfish can bend their spines and heads upwards, despite having different anatomy from humans and other land-dwelling vertebrates, according...
Osteostraci, the jawless sister group to all jawed vertebrates, had adaptations for passive control of water flow around the body, according to new research...
Paleontologists in Mongolia have found the fossilized remains of Minjinia turgenensis, a new genus and species of placoderm fish that lived 410 million...
A 1.57-m (5.2-foot) long specimen of Elpistostege watsoni from the Devonian period of Canada has yielded the missing evolutionary link in the fish to tetrapod...
A team of researchers at the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia, has developed a simple new method for estimating...