For the first time, scientists recorded a cardiogram from the largest animal that has ever lived.
By migrating in huge herds, bison behave like a force of nature, engineering and intensifying waves of spring greenery that other grazers rely on.
The latest volley in a decades-long debate about apes’ theory of mind involved one scientist dressing up as King Kong and stealing from his colleague.
A contentious new paper traces the origins of modern humans to ancient wetlands in Africa, a claim other researchers have called far-fetched.
For 50 years, researchers have thought that moths evolved ears to detect the ultrasonic calls of attacking bats—but a new study shows that ears came first.
It has only now come to light, and could be destroyed if deep-sea mining is allowed to go ahead.
Microbes can produce so much alcohol that people become drunk—and sustain liver damage—without touching any booze.
Though the continent has 3 billion fewer birds than it did in 1970, those losses are hard to glean because it’s the commonest species that have been hit hardest.
The people of pre-colonial Puerto Rico did not disappear entirely—a new study shows that the island’s residents still carry bits of their DNA.
Scientists taught rats to play hide-and-seek in order to study natural animal behavior—but it was also fun, for both the researchers and the animals.
I’m shocked, shocked, I tell you.
To understand how bar-headed geese cross the Himalayas, the astronaut Jessica Meir had to raise some herself.
Certain species of coral release their eggs and sperm with perfect synchronization. But a new study suggests their incredible timing is starting to slip.
By analyzing blood samples 120 times faster than a traditional microscope, Octopi can lighten the load of overworked lab technicians.
To understand the virus’s history, a team worked to reconstruct its genome from a time before anyone knew the virus existed.
Even the squishy can make great bounds.
A long-standing mystery about early cells has a solution—and it’s a rather magical one.
Emissions of mercury have declined, but levels in fish could still increase thanks to overfishing and a changing climate.
Five years ago, the doctor Kent Brantly was evacuated back to the U.S. after being infected with Ebola—against the wishes of the man who is now president.
The story of CTVT—a contagious cancer that spreads from dog to dog—gets weirder all the time.