Evolution

Small eyes and decorative plates make this Triassic creature stand out

A beautiful skull of Prestosuchus updates what paleontologists thought they knew about this Triassic reptile

A species of hermit crab appears to have evolved a large penis to enable intercourse without leaving, and thus possibly losing, its adopted shell.

Gut contents reveal what the early whale Basilosaurus ate.

Modeling shows the 290-million-year-old Orobates had an advanced way of walking—revising an enduring view of how tetrapods colonized dry land

Ants infected with fungal pathogens steer clear of other cliques within the colony—avoiding wider infection, and allowing for a sort of immunity. Lucy Huang reports. 

Climate change is shifting population numbers and nest building by resident and migratory birds in Europe—sometimes leading to deadly conflict. Christopher Intagliata reports.

In animal studies, a set of 24 genes involved in neural development, learning and memory, and cognition, seem to be associated with monogamy. Karen Hopkin reports.

The finding suggests this visual ability may be more “primitive” than scientists thought

As the New Horizons mission approached Ultima Thule, Rowan University paleontologist Kenneth Lacovara put our close-up study of the Kuiper Belt object into a deep-time perspective.

Strong relationships seem to help baboons overcome early life adversity, and that could have big implications for human health

Mice with the human version of a gene can run for longer without becoming fatigued