October 18, 2026

World

A rare interstellar visitor triggered a SETI search for alien technology

A rare interstellar visitor triggered a SETI search for alien technology

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the rapid-response observations helped confirm the object’s natural origin and showcased how future interstellar visitors can be investigated for signs of intelligent life.

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Scientists finally solved how H5N1 bird flu hid in dairy cows

Scientists finally solved how H5N1 bird flu hid in dairy cows

Researchers uncovered why H5N1 bird flu attacks cows’ udders instead of their lungs: the virus’s preferred receptors are concentrated in mammary tissue. The breakthrough could help scientists predict future bird flu jumps and spot unusual infections before they spread widely.

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This four-winged dinosaur may have terrorized Earth's earliest birds

This four-winged dinosaur may have terrorized Earth's earliest birds

A newly discovered feathered dinosaur called Jian changmaensis may be the missing predator responsible for mysterious piles of crushed prehistoric bird bones in China. The four-winged glider, a close cousin of Velociraptor, helps reveal how early birds and their dinosaur relatives shared the same ancient landscape.

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A tiny diamond defect could reveal a mysterious new kind of magnetism

A tiny diamond defect could reveal a mysterious new kind of magnetism

A newly proposed quantum sensing technique could make it much easier to identify one of physics’ newest and most intriguing classes of magnets: altermagnets. These unusual materials, discovered only a few years ago, appear to combine the speed and efficiency of antiferromagnets with some of the useful electronic properties of traditional magnets, making them promising…

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