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.”
In a new study, ecologists document the impact that the world’s brightest city has on the insect population.
A study shows that pretending to be immobile — sometimes for an hour or more — helps larvae of insects called antlions outlast hungry predators.
Nature’s weirdest clam surprises scientists once again, this time in video footage of its mating habits.
It’s not just large size and something pointy near their faces.
The oldest known fossils of the predatory snakes were found at a German site, changing the snake family tree.
It took a customized headpiece to monitor when and how much a grackle blinked in flight.
To adapt to life in the Andes Mountains, some South American species go into exceptionally deep torpor to save energy.
Once again, insects prove to be more complicated than scientists thought they were.
A recent analysis of the flippers of living and extinct marine animals shows the enduring power of “baby mittens.”
When these mammals are ill, they have fewer interactions with family and friends, new study suggests. “It’s like us,” said one researcher.
Many mammals that have loud calls to deceive other animals seem to have a particular learning style in common.
The thistledown velvet ant, which is actually a wasp, resembles creosote fuzz. But mimicry isn’t the reason, a new study suggests.
The world’s best hot dog eaters could outeat a grizzly bear or a coyote, but would fall far behind a wolf or a Burmese python, a new study finds.
Humans and other species have a gene mutation that lets them digest alcohol. In other species, it’s missing.
New research shows these ferocious insects don’t just hunt like robots.