Hundreds of millions of years ago, in the middle of what would eventually become Canada's Yukon Territory, an ocean swirled with armored trilobites, clam-like brachiopods and soft, squishy creatures ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A set of rare fossils has revealed a previously unknown and "absolutely ...

The temperature of a planet is linked with the diversity of life that it can support. MIT geologists have now reconstructed a timeline of the Earth's temperature during the early Paleozoic era, ...

Researchers describe unusual trilobite fossils prepared as thin sections showing the 3D soft tissues during enrollment. The study reveals the soft undersides of enrolled trilobites and the ...

Fig.1: Tempo and mode in the body size evolution of Cambrian-Ordovician trilobites. Changes in maximum size (red) and mean size (blue) for each time slice, with lines and shading representing the mean ...

The fossil, found by Jay Anderson in a Steele County gravel pit, was identified as belonging to the genus Endoceras, from the Paleozoic Era. Michael Kjelland (left), a professor from Mayville State ...

An ancient aquatic predator resembling a giant salamander turned up in an African fossil deposit, suggesting unwritten chapters of how animals moved onto land. By Asher Elbein Some 280 million years ...

Remnants of decaying tiny animals were colonized by others in an interspecies interaction dating back 480 million years. By Asher Elbein The bodies of the dead drift to the bottom of the ocean, where ...

Geologists have produced a new timeline of Earth's Paleozoic climate changes. The record shows ancient temperature variations coinciding with shifts in planet's biodiversity. The temperature of a ...

Enrollment in arthropods is an important defensive strategy that provides protection against predation. A – C, Enrolled Ceraurus from the Walcott-Rust Quarry. D – F, Enrolled Flexicalymene from the ...