Scientists hope their findings will potentially spare tens of thousands of future heart patients from undergoing a procedure.

Vaults are mysterious cellular structures that can be genetically engineered to store information about a cell’s history.

For the first time, clumps of human cells called organoids were fully integrated with the brains of rats—and influenced their behavior.

Artemis II will flight-test Orion and the Space Launch System, introducing integrated spacecraft, rocket, and life-support systems designed for sustained human travel beyond low Earth orbit.

Over the past 12 months, hundreds of peer-reviewed cannabis-related studies have been released, covering everything from pain ...

A distinct set of microbes has been identified in people with obesity, which might help spot and treat the condition early – ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

A new study explains how birds maintain sharp eyesight despite their retinas lacking blood vessels, finally resolving a centuries-old biological paradox.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Abnormal clumps of proteins like α-synuclein, amyloid beta and tau are associated with neurodegenerative conditions like Parkinson's and Alzheimer's disease, but a waste removal mechanism called the ...

Breathing in air pollution and smog like ozone and PM2.5 harms nearly every major system in the human body. But is enough ...