Close up image on one wall showing numerous depressions of hadrosaur footprints. The ice ax in the lower left of the frame is approximately 3 feet long, for scale. Photo by Patrick Druckenmiller

Scientists explore dinosaur ‘Coliseum’ in Denali National Park

Fossilized poop, called coprolites, collected in Nong Yakong village, Chaiyaphum Province, Thailand. Coprolites are an important source for studying ancient parasites. Nonsrirach et al. under CC-BY 4.0

Fossil Poop “feces” infested with parasites from over 200 million years...

Reconstruction of Hupehsuchus about to engulf a shoal of shrimps. Artwork by Shunyi Shu, Photo Copyright © Long Cheng, Wuhan Center of China Geological Survey.

Whale-like filter-feeding discovered in prehistoric marine reptile

The fossilized cervical vertebra and overlaying osteoderms of the new archosaur species Mambachiton fiandohana. © Nesbitt et al.

New archosaur species shows that precursor of dinosaurs and pterosaurs was...

Impact craters and their broader structures can be visible in a geologic map, like a bullseye. But what geophysical traces remain at the structure’s outermost edges? Credit: Huber et al. (2023), JGR Planets

Earth’s most ancient impact craters are disappearing

Undersea images of lava from Kama'ehu volcano, contrasting fresh-looking young lavas (top) versus older sediment-covered lavas (bottom). The two images on the bottom are courtesy of JAMSTEC.

Hawai’i’s undersea volcano, Kama’ehu, erupted five times in past 150 years

Artistic reconstruction of Burgessomedusa by Christian McCall. © Christian McCall

Burgessomedusa phasmiformis.: Oldest known species of swimming jellyfish identified

Mesozoic mural depicting different ocean species that have evolved through time. [Credit: Smithsonian Institution]

Scientists discover 36-million-year geological cycle that drives biodiversity

In this overview map of Utah earthquakes, the dotted line marks the approximate location of the transition zone between the Basin and Range province and the Colorado Plateau and the blue rectangle indicates the study area. Historic seismic events in the study area (1900–1981, 4.5 ≤ M ≤ 6.6) from UUSS and USGS catalogs, and location of basins and ranges mentioned in the text. Horizontal purple dashed lines indicate approximate locations of Blue Ribbon (BRT) and Cove Fort (CVT) Transverse Zones (P. D. Rowley, 1998), thin black lines indicate Quaternary faults. MP: Markagunt Plateau Volcanic Field. The larger map (c) shows seismicity in the study area since 1981, ML ≥ 2.5 (UUSS). PHOTO CREDIT: University of Utah

What can central Utah’s earthquake ‘swarms’ reveal about the West’s seismicity?

Crawford Lake Credit: Sarah Roberts

Crawford Lake, Canada, chosen as the primary marker to identify the...

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