How life started on our own planet may not seem as interesting as finding evidence of life on Mars or the icy moons Europa or Enceladus. But the search for the first eukaryotes on Earth remains as important to astrobiology ...
Cell & Microbiology
Jul 20, 2026
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55
A rare CO chondrite meteorite was the probable impacter that struck Earth 66 million years ago, wiping out 75% of Earth's species, including nonavian dinosaurs. These findings are published in Science Advances. Researchers ...
Biotechnology
Jul 17, 2026
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160
Long before dinosaurs ruled the continents and modern crocodiles first appeared, their ancestors were already going through a decisive phase in their evolutionary history. It was in this ancient world, shortly after the greatest ...
Evolution
Jul 17, 2026
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570
When you think of carnivorous marsupials, you probably picture the Tasmanian devil or perhaps a spotted-tailed quoll. But these famous predators are only the largest members of a remarkable family of marsupials called dasyurids.
Evolution
Jul 17, 2026
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28
Fossil finds are exciting moments that sometimes introduce the world to an ancient mammal or dinosaur that existed millions of years ago. But a longstanding problem in paleontology is that fossils are often incomplete, and ...
Paleontology & Fossils
Jul 16, 2026
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34
Today, oceans host a large variety of fast, resilient marine predators, including tunas, mackerels and various other fish species. Many of these fish belong to a lineage known as Scombridae, whose members are characterized ...
On July 14, 2026, "Gus," one of the most complete specimens of Tyrannosaurus rex, went to an as-yet-unidentified buyer for $50.1 million. This auction at Sotheby's set a record for the most valuable fossil ever sold. Another ...
Paleontology & Fossils
Jul 15, 2026
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17
Tyrannosaurus rex was a giant of the prehistoric world, standing up to 13 feet (4 meters) tall and weighing around 9 tons (8 tonnes). So you might expect that its hatchlings were also a considerable size.
A collection of fossilized dinosaur bones from Wyoming features tooth marks that provide evidence that some bites were likely made by Tyrannosaurus rex, according to a study published July 15, 2026, in PLOS One by Bethania ...
Paleontology & Fossils
Jul 15, 2026
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35
Bones preserved in underwater caves offer a rare and powerful window into the past—but until now, researchers have had limited tools to understand how the remains of extinct megafauna and other animals came to rest in their ...
Paleontology & Fossils
Jul 15, 2026
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8
