Paleontologists have uncovered seven well-preserved teeth from the extinct shark genus Petalodus in Shanxi province, China. Life restoration of Petalodus sharks. Image credit: Dinghua Yang. Petalodus is a small genus of Petalodontiformes, a intriguing group of extinct marine cartilaginous fish that flourished from the Carboniferous to the Permian period. First …

A new genus and species of palaeoscolecid worm has been identified from two specimens found in the Burgess Shale-type deposits in Utah, the United States. Arrakiscolex aasei. Image credit: University of Missouri. Palaeoscolecida is a group of extinct ecdysozoan worms that existed from the Ealy Cambrian to the Late Silurian …

A new species of large-sized penguin being named Kairuku waewaeroa has been identified from the fossilized bones found in Kawhia Harbour on the North Island of New Zealand. Life reconstruction of giant penguins. Image credit: Simone Giovanardi. Kairuku waewaeroa roamed Earth during the Oligocene epoch, between 27 and 35 million …

Processings…Please wait. Google has confirmed that it not only made a change to what title it shows in the search results but also disclosed how much of a change it actually was. For the past few weeks, Google said it was using your chosen HTML title tag 80% of the …

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Paleontologists in China have identified a new species of pengornithid enantiornithine bird with a pair of elaborate tail feathers. An illustration showing what Yuanchuavis kompsosoura might have looked like in life. Image credit: Haozhen Zhang. Enantiornithes are the most successful group of Mesozoic birds, arguably representing the first global avian …

Entomologists have described a new species in the window fly genus Scenopinus from Finland. Frontal view of male Scenopinus jerei. Image credit: Pohjoismäki & Haarto, doi: 10.3897/zookeys.1059.70085. Window flies are members of Scenopinidae, a small family of primitive flies belonging to the superfamily Asiloidea. They have a cosmopolitan distribution, with …

There’s a new set of leaks around AMD’s next-generation server CPU, codenamed Milan-X. Milan-X uses the same microarchitecture as AMD’s current Milan, but with one significant difference: Up to 768MB of L3, divided between 8 chiplets and 64 cores. AMD’s plans to staple an extra 64MB of L3 cache per …

Perseverance’s first cored-rock sample from Jezero Crater, Mars, is now enclosed in an airtight titanium sample tube, making it available for retrieval in the future, according to members of the Perseverance team at NASA’s Jet Propulsion Laboratory. Through the Mars Sample Return campaign, NASA researchers and their colleagues from ESA …

Some unexplained results from the XENON1T dark-matter detector — a 1,300-kg vat of super-pure liquid xenon shielded from cosmic rays in a cryostat submerged in water deep 1.5 km beneath the Gran Sasso mountains of Italy — may have been caused by dark energy particles produced in a region of …