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
20 February 2023
Scans show that the spine and ribs of Tiktaalik, one of the first fish to crawl on land, had features that are more like those of early land animals than fish
25 January 2023
Analysis of fossilised teeth from Ellesmere Island, Canada, reveals that extinct relatives of monkeys and apes reached the Arctic during a period when the climate was hotter
29 December 2022
New fossil discoveries show predatory marine reptiles from 200 million years ago may have been bigger than today’s blue whales – and that they evolved astonishingly rapidly
12 December 2022
Bush crickets from the Triassic era onwards evolved high-frequency songs to avoid being heard by predators
8 November 2022
Flowerless gymnosperms, such as conifer and ginkgo, ruled the Jurassic world before their flowering rivals, the angiosperms, became dominant. What caused the fall of one and the rise of the other?
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
7 July 2022
A dinosaur discovered in Argentina has been identified as a new species. Meraxes gigas lived 20 million years before T. rex, but had a similarly large body, sharp teeth and proportionately small arms
4 March 2022
The Cambrian explosion 500 million years ago saw a huge variety of animals evolve – and also led to carbon being buried in the seabed and ultimately carried into the planet’s mantle
1 March 2022
After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced
