307-Million-Year-Old Fossil of Plant-Eating Land Vertebrate Found in Canada
Tyrannoroter heberti, a new species of pantylid ‘microsaur’ from the Carboniferous period, shows that some of Earth’s earliest…
As Biodiversity Dwindles, Mosquitos Turn to Human Blood
What female mosquitoes choose to feed on has a bearing on human health, since they transmit pathogens from…
Study: Late Ordovician Mass Extinction Cleared Way for First Fishes
A long-standing mystery in vertebrate evolution — why most major fish lineages appear suddenly in the fossil record…