Zoology

A groundbreaking eight-year study discovered widespread and regular lead poisoning in North American bald and golden eagles, threatening the populations of both species. The study…

The asteroid that wiped out nearly all dinosaurs hit Earth in the spring. After analyzing the remains of fish that died shortly after the impact,…

A new study found that colonial history and socioeconomic factors influence how researchers study and interpret palaeontological samples. Its findings shed light on how ‘non-scientific’…

The mysterious disappearance of ancient lions and bears from parts of North America for a thousand years or more prior to the last Ice Age,…

Humans have been on the planet for nearly 3.5 million years, since “Homo erectus” first evolved with an upright posture that allowed them to use…

A new study led by researchers from the University of Portsmouth has discovered that newly hatched juveniles of large and gigantic pterosaurs likely outcompeted other…

Mammals evolved from members of the reptilian order Therapsida during the Triassic Period (about 252 million to 201 million years ago). Therapsids, which included Lystrosaurus,…

We know a lot about Tyrannosaurus rex jaws, from the bite force of a baby dinosaur to how adults crunched on their prey like an…

The two-meter skull of an enormous new ichthyosaur species, Earth’s first known giant creature, reveals how extinct marine reptiles and modern whales evolved into giants.…

A new fossil has been discovered that reveals the origin of gills in arthropods. David Legg, a University of Manchester research fellow, and a team…

The theory of evolution by natural selection explains how species change over time. That species evolution had been proposed and debated long before Darwin. The…

Modern birds appeared to emerge in the blink of an evolutionary eye. However, new research sheds light on the long series of evolutionary changes that…