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A small, feathered theropod dinosaur, Saurornitholestes langstoni was long thought to be so closely related to Velociraptor mongoliensis that some researchers called it Velociraptor langstoni—until now. Credit: Jan Sovak.

Paleontologists discover complete Saurornitholestes langstoni specimen

The Sosnogorsk lagoon just before a deadly storm. Credit: Mikhail Shekhanov for the Ukhta Local Museum

The earliest well-preserved tetrapod may never have left the water

A new study led by Yale University confirms a long-held theory about the last great mass extinction event in history and how it affected Earth's oceans. The findings may also answer questions about how marine life eventually recovered. Credit: Michael Henehan & Pincelli Hull

Mystery solved: Ocean acidity in the last mass extinction

In this handout image provided by NASA/JPL-Caltech/MSSS, a color image from NASA’s Curiosity rover’s Mast Camera shows part of the wall of Gale Crater, the location on Mars where the rover landed August 5, 2012 on Mars. Credit: NASA via Getty Images

Mars once had salt lakes similar to those on Earth

Giant gold nugget found in California

Prospecting for gold just got a lot easier

The Ice Drilling Design and Operations (IDDO) group at the University of Wisconsin-Madison designed and built the South Pole Ice Core (SPICE) drilling system, called the Intermediate Depth Drill. Based on a Danish drill called the Hans-Taunsen drill, the Intermediate Depth Drill was purpose-built for coring 1,500 meters of ice. The ice cores collected at this depth (from the South Pole) contain atmospheric gases from the past 40,000 years, the time of transition from the last ice age to the present warm climate. Credit: T.J. Fudge

Ice core source discovery adds to study of volcanic activity, climate...

Siamraptor skull reconstruction. Credit: Chokchaloemwong et al., 2019

Meet Siamraptor suwati, a new species of giant predatory dinosaur from...

Ancient fossils reveal fresh clues about early life on land

Ancient fossils reveal fresh clues about early life on land

Fossils preserved in Dominican amber reveal a new family, genus and species of microinvertebrate from the mid-Tertiary period, a discovery that shows unique lineages of the tiny creatures were living 30 million years ago. Credit: Provided by George Poinar Jr.

Meet the ‘mold pigs’ a new group of invertebrates from 30...

earthquake in Southern California

Distinguishing earthquake foreshocks and aftershocks

Geyser Opal "Spencer Opal"

Geyser Opal “Spencer Opal”: What is Geyser Opal? How it Formed?

Benitoite crystals under UV light

Benitoite : The Rarest Gemstone Found in the World only been...

A detail of the southern wall of the Las Cañadas caldera de . It is the best exposed sector of this volcanic structure. (Imagen: Joan Martí)

Study provides new insight into the origin of Las Cañadas caldera...

A panoramic view of one of the Arico ignimbrite outcrops where the two units can be seen.(Image: Joan Martí)

A new study determines the influence of the topography over ...

Plotosaurus bennisoni is a mosasaur from the Upper Cretaceous (Maastrichtian) North America. Restoration illustration from Wikimedia Commons, CC BY 3.0.

Did mosasaurs do the breast stroke?

Fig. 1 Map of the 2016 Kaikōura earthquake and surrounding area. (A) Transpressional tectonic setting of the northeastern South Island of New Zealand. (B) Map of surface ruptures from the 2016 Mw 7.8 Kaikōura earthquake, shown in bold black lines with the Papatea fault in red (8, 28). Dots represent scaled relative energy release from back-projection results (15) and are colored by time since rupture onset. Mapped active faults that did not rupture during the Kaikōura event are indicated by thin black lines (28). Credit: Science Advances 02 Oct 2019: Vol. 5, no. 10, eaax5703, DOI: 10.1126/sciadv.aax5703

Unusual fault rupture during Kaikōura quake

A drone image two weeks after the flank collapsed. The volcano peak that had measured 320 meters is missing. Credit: GFZ

Early warning signals heralded fatal collapse of Krakatau volcano

Pterosaur

New Australian pterosaur may have survived the longest

One of the three fossils of Lessiniabatis aenigmatica (MNHN F.Bol.566) from the famous fossil site of Monte Bolca (Italy) preserved as part and counterpart. The specimen is housed in the Museum National d'Histoire Naturelle of Paris. Credit: Giuseppe Marramà

Fossil fish provides new insights into the evolution

A world map that shows where similary platinum spikes have been discovered in the world. The latest discovery is at the Wonderkrater site in Limpopo Province, South Africa. Credit: Francis Thackeray/Wits University

New research supports hypothesis that asteroid contributed to mass extinction

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