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Satellite image of gully landscapes on Mars, taken by HiRISE (High Resolution Imaging Experiment), a camera on board the Mars Reconnaissance Orbiter (photo no.: ESP_039114_1115). The white CO2 ice is visible on the sides of the gullies.

Surprising insights about debris flows on Mars

Grand Prismatic Spring in Yellowstone National Park, seen here from an aerial photo, provides a modern-day glimpse into the types of environments where sulfites may have accumulated and possibly played a role in kick-starting the earliest life on Earth.

Sulfur and the origin of life

Scientists analyzed mercury levels from core samples from the Mochras Farm (Llanbedr) borehole in Wales to estimate how much and how rapidly carbon was released during ancient volcano events in Earth's history Credit: Stephen Hesselbo. All Rights Reserved.

Mercury rising: Study sheds new light on ancient volcanoes’ environmental impact

Left: The flight feathers of Temminck's Lark. Right: The wing of a fossil bird, Confuciusornis. Photos by Yosef Kiat.

Which Dinosaurs Could Fly?

mollusc from the Cabrières Biota. Credit: Farid Saleh - UNIL

New fossil site of worldwide importance uncovered in southern France

Tridentinosaurus antiquus was discovered in the Italian alps in 1931 and was thought to be an important specimen for understanding early reptile evolution – but has now been found to be, in part a forgery. Its body outline, appearing dark against the surrounding rock, was initially interpreted as preserved soft tissues but is now known to be paint.

Mystery solved: The oldest fossil reptile from the alps is an...

Maps showing the evolution of the Gibraltar subduction zone from 30 million years ago to 50 million years into the future. From Duarte et al., 2024.

Early-stage subduction invasion

A cut slice of altered mantle rock. (Photo by: Solvin Zankl)

Researchers studying ocean transform faults, describe a previously unknown part of...

Rocks made of barium sulphate (known as barite rocks) from the from the Pilbara Craton in Western Australia. Credit: Gerhard Hundertmark

High resolution techniques reveal clues in 3.5 billion-year-old biomass

A typical early dinosaur, Eoraptor from the Late Triassic of Argentina. Photo Copyright: Nobu Tamura, Wikimedia

Dinosaurs’ success helped by specialized stance and gait, study finds

Coloured fossil snail shells (left) and a snail shell from modern times (large specimen on the right) Photo: Klaus Wolkenstein

Surprisingly vibrant color of 12-million-year-old snail shells

The modern Seattle fault zone cuts directly through the densely populated Puget lowlands, including Seattle and its metro area. Fifty million years ago, the continent tore in two here, setting the geologic stage for the modern faults, according to a new Tectonics study. Credit: Washington Geological Survey.

A new origin story for deadly Seattle fault

Three types of granitoid rocks—tonalite, trondhjemite and granodiorite (TTG).

Researchers uncover source rocks of the first real continents

Shears — or breaks caused by strain — in rock outcrops like the one pictured here could shed new light on tectonics that occur between major earthquakes in the subduction zone, according to new research. A camera lens shows the scale of the features of the rock. Credit: Provided by Donald Fisher . All Rights Reserved.

Ancient rocks improve understanding of tectonic activity between earthquakes

Sanfordiacaulis densifolia fossil (Scale is 1 m). Credit: Matthew Stimson

Rare 3D fossils show that some early trees had forms unlike...

Showing partial skeleton of gliding reptile Kuehneosaurus on rock from Emborough. Image credit: David Whiteside

Student discovers 200-million-year-old flying reptile in Somerset

Study sheds new light on the body form of the Megalodon, and its role in shaping ancient marine life. (DePaul University/Kenshu Shimada)

The megalodon was less mega than previously believed

Woolly mammoth illustration Mauricio Antón © 2008 Public Library of Science

Woolly mammoth movements tied to earliest Alaska hunting camps

Earth

Key moment in the evolution of life on Earth captured in...

For decades, paleontologists have debated whether Nanotyrannus is a separate species or simply a juvenile T. rex. (Credit Raul Martin)

‘Juvenile T. rex’ fossils are a distinct species of small tyrannosaur

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