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241 Days in Space Left Chris Williams’ Body Unprepared for Gravity
When Soyuz MS-28 landed on July 26, 2026, NASA astronaut Chris Williams had to be lifted from the capsule — because 241 days in microgravity had reorganized nearly every system in his body. The science of what space does to bones, the heart, and balance is as striking as the mission itself.
Ancient DNA Shows Ice Age Hunters Killed Female Woolly Mammoths 70% of the Time
Researchers sequenced ancient DNA from 521 woolly mammoth bones and found that roughly 70 percent of specimens at human-associated sites belonged to females, revealing a deliberate and repeated prehistoric hunting preference that may have accelerated the species' extinction.
Ancient Smallpox Genomes Suggest the Virus Grew Deadlier Over Time
Researchers sequencing variola virus DNA from medieval remains found ancient smallpox strains genetically distinct from the modern virus — and possibly less deadly. The findings suggest smallpox evolved its catastrophic lethality relatively late in history.
Regulus Spins at 96% of Its Breakup Speed — and It Shows
Regulus, a blue-white star just 79 light-years away, spins at roughly 96% of the velocity that would tear it apart — deforming it into a measurably squashed shape and driving nearly every other strange feature it displays.
A Weakening AMOC Could Send Fiercer Atmospheric Rivers Into California
New research finds that a slowing Atlantic Meridional Overturning Circulation could intensify atmospheric rivers striking California, driving more destructive storm seasons and a sharper drought-to-deluge cycle by century's end.
245-Million-Year-Old Fossil Still Has Its Liver — Inside a Triassic Sea Reptile
Researchers studying a 245-million-year-old fossil of the Triassic marine reptile Austronaga minuta found its liver, stomach, and intestines still intact — a vanishingly rare case of soft-tissue preservation that is rewriting what fossils can hold.Load More
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