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Thin section of NASA sample, LAP 02436, Lunar Mare Basalt containing indigenous noble gases. Image type: optical microscopy, cross-​polarized light. (Image: ETH Zurich / Patrizia Will)

One more clue to the Moon’s origin

Plesiosaurus and spinosaurus may have both inhabited freshwater rivers

Plesiosaur fossils found in the Sahara suggest they weren’t just marine...

he Fagradalsfjall eruption site viewed from above. The photo shows lava emanating from multiple vents. Tourists for scale. Photograph: Alina V. Shevchenko and Edgar U. Zorn, GFZ Germany

Iceland volcano eruption opens a rare window into the Earth beneath...

Brine pools are one of the most extreme environments on Earth, yet despite their high salinity, exotic chemistry, and complete lack of oxygen, these pools are teeming with life.

Rare deep-sea brine pools discovered in Red Sea

Fig. 1: The giant ash cloud that erupted from Hunga Tonga–Hunga Ha'apai, taken by the Himawari-8 satellite Credit: EyePress News/Shutterstock

Shockwave caused by Tonga underwater eruption may help scientists predict future...

Paleontologists originally thought that T. rex had three claws, but later determined that it only had two. R. Mickens/©AMNH

Study refutes claim that T. rex was three separate species

Articulated left tibia and pes

A new giant dinosaur gives insight into why many prehistoric meat-eaters...

Illustration of White Rock spinosaurid by Anthony Hutchings. Credit: UoS/A Hutchings

Europe’s largest land predator unearthed on the Isle of Wight

inner core (USC Graphic/Edward Sotelo)

The Earth moves far under our feet: A new study shows...

Yellowstone National Park

Yellowstone’s history of hydrothermal explosions over the past 14,000 years

Andrew McAfee, Carnegie Museum of Natural History

Bizarre meat-eating dinosaur joins ‘Rogues’ Gallery’ of giant predators from classic...

Hot-blooded T. rex and cold-blooded Stegosaurus

Hot-blooded T. rex and cold-blooded Stegosaurus: Chemical clues reveal dinosaur metabolisms

The blue path illustrates a core-penetrating seismic wave moving through a region in the outer core, where the seismic speed has increased because a low-density flow has moved into the region. Credit: Ying Zhou

Seismic waves from earthquakes reveal changes in the Earth’s outer core

Representative Image: Plesiosaur attack, artwork.

How plesiosaurs swam underwater

Genyornis eggshell recently exposed by wind erosion of sand dune in which it was buried, South Australia. Credit: Gifford Miller

First Australians ate giant eggs of huge flightless birds, ancient proteins...

Tooth size comparison between extinct Early Pliocene Otodus megalodon tooth and a modern great white shark. © MPI for Evolutionary Anthropology

Great white sharks may have contributed to megalodon extinction

Earth

Earth’s core: Unexpected flow behavior in liquid metals

Middle: Microscopic plankton cell-wall coverings preserved as “ghost” fossil impressions, pressed into the surface of ancient organic matter (183 million years old). Th

Scientists have discovered a new type of fossilization

Molten lava from a Hawaiian volcano. Image: Willyam/Adobe

Puzzling features deep in Earth’s interior illuminated

Puna Plateau (© Mitchall d'Arcy)

Which forces control the elevation of mountains?

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