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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.
NASA Astronaut Brought Rocket Launches to SLO Kids — Here’s Why It Works
When NASA astronaut Barbara Morgan visited San Luis Obispo County in 1993, she put rocket science directly into students' hands — and decades of neuroscience confirm why that approach transforms young learners in ways passive instruction never can.
Mummy DNA Proves Smallpox Arrived With Colonizers, Not Before Them
Genomic analysis of a 17th-century Lithuanian mummy and colonial-era Chilean remains delivers the clearest biological evidence that European colonizers introduced smallpox to the Americas, with no genetic trace of a pre-Columbian viral lineage found.
Presolar Grains Older Than Earth Were the Seeds of Our Solar System
Microscopic presolar grains found in the Allende meteorite predate the Sun by up to 3 billion years — and new research proposes they acted as nucleation seeds for the solar system's very first solids.Load More
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