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• ↓ Dinosaur-Era Mammal Swam Like Platypus and Replaced Its Teeth Multiple Times
• ↓ New Feathered Dinosaur Suggests Flight Evolved More Than Once among Birds’ Closest Relatives
• ↓ New Enantiornithine Bird Joins Australia’s Sparse Fossil Record
• ↓ Astronomers Detect Radio Signal from Beta Pictoris b
• ↓ Researchers Reconstruct Face of Oldest Known Homo sapiens
• ↓ Bats Originated in Europe, Genetic and Fossil Evidence Suggests
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"New observations of 21 extreme debris disks suggest the dust comes from violent impacts between planet-building bodies, and could even flag star systems in the midst of a planetary shake-up. The types of collisions within young stellar systems known as extreme debris disks are relevant to scientists’ understanding of our own Solar System, which is thought to have undergone similar impact events..."

"A new analysis of orbital and lander data from Mars suggests the exposed north-polar water ice contains less than 3% dust, far below earlier estimates of up to 25%. Map of the six north polar locations analyzed by P. Mohan & A.R. Khuller, where water ice is exposed at the Martian surface. Image credit: P. Mohan & A.R. Khuller, doi: 10.1038/s44453-026-00054-9. Planetary scientists learn about..."

"Roughly 18,000 years ago, in what is now northern Ukraine, artists carved small female figurines from mammoth ivory and covered them with zigzags and meanders. New research suggests those designs were not purely invented, they appear to echo the natural patterns inside the tusk. Mizyn figurines. Image credit: Radchenko et al., doi: 10.1038/s40494-026-02988-5. “The study of Upper Paleolithic figurines..."

"The oldest undisputed animal fossils, from the Ediacaran biota, are about 574 million years old, but chemical traces left by sponges, known as lipid biomarkers, hint that animals were around before 635 million years ago. Virginia Tech paleontologist Orin Lole Durbin and colleagues have turned to molecular clocks, which use genetic differences between living species to estimate when lineages split,..."

Key Topics & Focus Areas for sci.news:

Dinosaur-Era Mammal Swam Like Platypus and Replaced Its Teeth Multiple Times

New Feathered Dinosaur Suggests Flight Evolved More Than Once among Birds’ Closest Relatives

New Enantiornithine Bird Joins Australia’s Sparse Fossil Record

Astronomers Detect Radio Signal from Beta Pictoris b

Researchers Reconstruct Face of Oldest Known Homo sapiens

Bats Originated in Europe, Genetic and Fossil Evidence Suggests