Biology

Cats have attained evolutionary perfection

A key genetic mutation—harmful in humans—may have opened the sky to bats

Male hellbender salamanders normally tend their young, but lately they’ve been devouring them instead

Awarding Rosalind Franklin a Nobel Prize posthumously for her role in DNA discovery is the honorable—and scientific—thing to do

After eight years maturing in a burrow, male tarantulas venture out to mate, then die a cruel death

Scientists have uncovered an ancient trilobite’s last meal preserved inside a nearly intact fossil

The Y chromosome was once used to label people as criminal. A new complete Y chromosome sequence just might combat this dangerous myth

Newly purple streetlights might seem innocuous, but they could affect driver and pedestrian safety

The evolution of a chemical defense gland allowed the most diverse group of beetles to repel predators and go on to conquer wholly new environments

Human scent signatures could one day be collected at places like crime scenes and COVID testing sites 

For the first time in the U.S., research with cephalopods might require approval by an ethics committee

A jawbone from eastern China that displays both modern and archaic features could represent a new branch of the human family tree