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A study finds that engineered exosomes are effective in mice, but their potential use in humans raises safety questions.  

As the new agency’s director, the DARPA veteran will spearhead a high-risk, high-reward approach to biomedical research.

Before their own central clocks develop, the brains of fetal rats detect their mother’s metabolic cycle to help regulate the expression of certain genes.

Noncoding RNAs are proving to be critical players in the evolution of brain anatomy and cognitive complexity.

The muscle transmembrane protein Vangl2 helps organize the development and maintenance of connections between muscles and motor neurons, a study concludes.

The gut microbiomes of city-dwelling animals, including coyotes, lizards, and birds, show similarities to those found in humans who also live in urban environments.

The results from two large clinical trials don't support the idea that supplements of the vitamin bolster immune defenses against SARS-CoV-2.

A single amino acid substitution in a protein causes increased neuron production in the frontal lobes of humans compared to Neanderthals—a tiny difference that could have given our species a cognitive edge, researchers say.

For the first time, a team visualizes sensory nerves projecting into adipose tissue in mice and finds these neuronal cells may counteract the local effects of the sympathetic nervous system.

The findings likely have implications for animal research far beyond the study of antidepressants.

The group’s 7-2 ruling in favor of the therapeutic represents a shift from previous deliberations, in which data on its effectiveness was deemed insufficient.

A Stone Age individual’s left leg healed after being amputated just above the foot, allowing them to survive for six to nine years after the procedure was performed, researchers say.