What *is* this thing? It's one of biology's greatest mysteries. The post Scientists Intrigued by Unfamiliar Life Form ...

Trees play a central role in life on Earth. They store CO₂, provide habitats for animals, fungi, and insects, stabilize soils ...

Follow our journey on growing a crabapple tree from a seed to sapling in this 105-day time-lapse. Started with picking up a ...

Biologists have long drawn the animal family tree with a hazy base, unsure which creature first split from the common ...

It's Saturday! This week, in an eminently practical analysis of the Boltzmann brain conjecture, physicists put constraints on ...

Here are the world’s rarest and most bewildering medical conditions, disorders that defy logic, challenge science, and ...

Invisible in their trillions, microbes dwell in our bodies, grow in soils, live on trees and are integral to planetary health ...

Ushikuvirus is a newly identified giant virus that infects amoebas, adding to a growing group of oversized viruses that scientists believe may have played an important role in the emergence of complex ...

Carnivorous plants look like botanical oddities, but their behavior is not a gimmick. It is a precise evolutionary solution ...

Add Yahoo as a preferred source to see more of our stories on Google. The OSIRIS-REx spacecraft spent two years observing the asteroid Bennu before it collected a ...

While the teen birth rate has plummeted — dropping from 13% of all births in 1990 to just 4% today — the fertility rate for ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...