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Why Did Only Some Birds Survive the Asteroid That Killed the Dinosaurs? The Answer May Be Hiding in a Feather Found in T. Rex’s Poop

In 2016, paleontologist David DeMar Jr. was crawling across a rocky outcrop in northeastern Montana, hunting for fish fossils, when he spotted a dark, reddish-brown nodule about half the size of a golf ball. He picked it up and looked at it through his hand lens. On its surface was something he didn’t expect: a […]

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Exceptionally Preserved Bird Feathers Found in 66-Million-Year-Old Dinosaur Coprolite

While some dinosaurs are thought to have had β€˜fuzzy’ or β€˜downy’ feathers (shown in this illustration as the yellow spikes on a Nanotyrannus’ neck), ancient birds (such as the one in the Nanotyrannus’ mouth) were more likely to have had feathers that look similar to the birds of today. Image credit: Andrey Atuchin.

Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping, offering rare insight into why certain birds survived the asteroid strike that wiped out the dinosaurs 66 million years ago.

The post Exceptionally Preserved Bird Feathers Found in 66-Million-Year-Old Dinosaur Coprolite appeared first on Sci.News: Breaking Science News.

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Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway

The Tyrannosaurus rex trackway in the Hell Creek Formation in North Dakota, the United States. Image credit: Kent Hups.

Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to a full-grown Tyrannosaurus rex.

The post Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway appeared first on Sci.News: Breaking Science News.

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