12 July 2023
An analysis of bones from the La Brea tar pits in California reveals that sabre-toothed tigers and dire wolves had very high rates of osteochondrosis, which may stem from a dwindling gene pool as they neared extinction
19 June 2023
Extremely long necks probably helped ancient marine reptiles ambush prey in murky waters, but also made them easy targets for decapitation by predators
8 April 2023
Fossils found in Morocco show the sensory specialisation of a 365-million-year-old shark, given the species name Maghriboselache mohamezanei
8 March 2023
The Cambrian fossil Protomelission was identified in 2021 as a type of coral-like animal called a bryozoan, but new specimens make it look more like a kind of green algae
12 December 2022
Bush crickets from the Triassic era onwards evolved high-frequency songs to avoid being heard by predators
30 November 2022
A skull bone from 67 million years ago reveals that ancestors of modern birds had jointed beaks, not immobile ones as biologists have long thought
12 October 2022
An exceptionally well-preserved duck-billed hadrosaur found in North Dakota hints that dinosaur mummies may be more common than we think
20 July 2022
A fossil from 385 million years ago named Qikiqtania wakei shows that a descendant of early land animals lost its adaptations for land and became a more efficient swimmer
8 July 2022
Stanleycaris hirpex, which lived in the Cambrian period, had two protruding eyes on the side of its head and a larger eye in the centre
