When scientists want to study aging and how to slow it down, they often turn to microscopic worms or lab mice among other models. The former are too different from humans, while the latter are ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

A virus that is big enough to be seen under an ordinary light microscope co-opt its host’s systems with the help of ...

To stay in the air when hovering over a flower, bumble bees continually flap their wings rapidly, a metabolic process that ...

Fungi have long fascinated scientists and aficionados alike. These strange and often misunderstood life-forms are sought-after for food, medicine, building materials, psychedelic journeys and much ...

Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid hormones in the retina, Johns Hopkins University scientists have found.

When HHMI Investigator Amita Sehgal started studying sleep 25 years ago, the topic elicited a yawn from most biologists. "In the year 2000, if I had suggested to my department that we hire people ...

Microplastics have become a hot topic in environmental science — and a reliable source of alarming headlines. A new study ...

Have you ever noticed your cat "sneer" when smelling food or something else in your environment? Learn more about the flehmen response.