Microscopic black holes at the LHC remain elusive—but their possible mass is now constrained to 9–11.4 TeV
The woolly rhinoceros kept more of its genetic diversity in temperate Eurasia than in the Ice Age north
The same 1,5-diene can form either a bridged or fused bicyclic structure, depending on its nitrogen group
Archosauromorphs exploded into new species after the end-Permian extinction, then their speciation steadily slowed
Four 1-meter footprints from 66.5 million years ago may be the first trackway left by an adult T. rex
This half-billion-year-old Charnia frond was buried in a sediment flow instead of flattened on the seafloor