1,929 results
- Earth
Early web-footed bird made impression
Researchers have discovered the fossil tracks of an otherwise unknown bird in 110-million-year-old sediments, which pushes back evidence of web-footed birds by at least 25 million years.
- Paleontology
Overlooked fossil spread first feathers
A new look at a fossil that had been lying in a drawer in Moscow for nearly 30 years has uncovered the oldest known feathered animal.
- Paleontology
Was T. rex just a big freeloader?
A new study suggests that an ecosystem like today’s African savanna could provide sufficient carrion to nourish a scavenger the size of a Tyrannosaurus rex.
- Paleontology
Forged fossil is a fish-eating fowl
Detailed analyses of Archaeoraptor, a forged fossil once thought to be a missing link between dinosaurs and birds, reveal that the majority of that fake comes from an ancient, fish-eating bird.
- Paleontology
Telltale Dino Heart Hints at Warm Blood
A recently discovered fossil dinosaur heart is more like the heart of birds and mammals than that of crocodiles, providing further evidence that dinosaurs may have been warm-blooded.
- Paleontology
Veggie Bites: Fossil suggests carnivorous dinosaurs begat vegetarian kin
Chinese rocks have yielded fossil remains of a creature that had rodentlike incisors and a hefty overbite, providing the first distinct dental evidence for plant-eating habits among theropod dinosaurs.
- Paleontology
All mixed up over birds and dinosaurs
A bit of fossil fakery snookered a team of paleontologists
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19119
Regarding the discovery of the dinosaur heart with the single aorta, your readers should note that this morphology is more likely to be related to high blood pressure than metabolic rate per se. The typical reptilian heart, with its incompletely divided ventricle and double aorta, is quite functional at separating oxygenated and deoxygenated blood. The […]
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19028
The picture of the mummified dinosaur was amazing and a bit spooky. It is a great find. Patrick LeaheyGeneva, N.Y.
- Paleontology
Dinosaur tracks show walking and running
A single trail of dinosaur footprints found in a British limestone quarry preserves a record of two different walking styles in the same animal, a tantalizing clue that some types of lumbering, bipedal dinosaurs could also run if the need arose.
- Paleontology
Trilobites to Go
Extinct even before dinosaurs existed on Earth but extensively preserved in the fossil record, the eight orders of trilobites (more than 15,000 species) live on via this large, informative Web site, created by zoologist and amateur trilobite enthusiast Sam Gon III. The site provides a gallery of images, a glossary of terms, and much more. […]
- Earth
Infrasonic Symphony
Scientists are eavesdropping on volcanoes, avalanches, earthquakes, and meteorites to discern these phenomena's infrasound signatures and see what new information infrasound might reveal.
