A new study questions that figure, known as Dunbar’s number. The Oxford professor for whom it is named, Robin Dunbar, dismissed the findings as “absolutely bonkers.”
Researchers want to learn more about the connections between humans and the feeding of birds, beasts and other fauna.
Culture, once considered exclusive to humans, turns out to be widespread in nature.
The pandemic has highlighted the United States’ dependence on China for research animals, reviving calls for a “strategic monkey reserve.”
Humans are spreading the coronavirus to other animals. What does that mean for all of us?
Researchers grew clusters of brain cells in the lab with a gene carried by our ancient ancestors.
Deaths at a Sierra Leone sanctuary that stumped people for 15 years have now been linked to a bacterium that seems to cause similar ailments in humans.
Jimmy Wayne Hammonds, who runs an exotic animal ranch, illegally sold rare monkeys, prosecutors said.
“Aside from some congestion and coughing, the gorillas are doing well,” said Lisa Peterson, executive director of the San Diego Zoo Safari Park.
The small apes were once widespread across much of Asia. But rampant deforestation and ruthless hunting of the acrobatic animal has greatly reduced its numbers and its habitat.
A new monkey study offers a ray of hope for speeding up clinical trials of Covid-19 vaccines.
Mink in Denmark are not the only animals that could become reservoirs for the coronavirus to spread new mutations to people.
Older male chimps follow a pattern that researchers also see in humans, preferring to have positive relationships with a few good friends.
Activists and some congressional lawmakers are demanding that the N.I.H. reconsider its refusal to move 39 chimpanzees from a research center to a sanctuary.
Research shows that watching footage of them can make you happier, so here’s a list of round-the-clock camera footage that will bring koalas, penguins and puppies straight to your screen.
These male monkeys lived longer if they socialized with females, with or without benefits.
The career of the coronavirus so far is, in Darwinian terms, a great success story.
The new Disney+ film about a talented gorilla might leave you wondering about the real great ape that inspired the story. We have answers.
When forests and woodlands don’t provide a respite from the heat, these primates find cooling centers in their arid landscape.
It’s the second study in a week to report promising results in monkeys for a vaccine candidate. But the real test will come with human trials that are now underway.
This coronavirus vaccine developed by government researchers and Moderna enabled the animals to quickly clear the infection from their lungs.
The monkeys of Lopburi, Thailand, were once a draw for tourists and pilgrims who would feed them. But with few recent visitors, the monkeys are getting hungry — and aggressive.
Weight training prompts changes in the nervous system that prime the muscles to get bigger and stronger.
A novel gene-editing experiment seems to have permanently reduced LDL and triglyceride levels in monkeys.
The silverback, known as Rafiki, was killed by a poacher with a spear, according to the Uganda Wildlife Authority. He was the leader of the famed Nkuringo gorilla group, which has been popular with tourists for decades.
A series of animal experiments may point the way to an effective human vaccine, scientists said.
If one ape in the forest is infected, a whole population could be wiped out, experts say. So orangutans in Indonesia’s rehabilitation centers are staying where they are.
New research from Stanford University holds lessons for a world reeling from the coronavirus and searching for ways to avert the next global pandemic.