Medicine

Researchers have begun to crack the code of protein structure, allowing them to remake, well, everything

Scientists are searching for explanations to disappointing final-stage trial results. These insights could help guide the future development of mRNA vaccines

This revolutionary gene-editing system has taken science by storm.

Fee-for-service models, such as that of the U.S., and single-payer models, such as those of the U.K. and Canada, both have significant flaws—but Singapore may have found a workable compromise

After transitioning in 1917, Alan L. Hart helped alter medical history

Many scientists say there is not enough evidence that Biogen’s aducanumab is an effective therapy for the disease

It’s one of the most challenging organs to re-create

A pediatric infectious disease expert answers questions about whether the vaccine is safe and why children need it

Preliminary results from a trial of more than 600 people are the first to show the benefits of combining different vaccines

People older than 80 who waited 11 to 12 weeks for their second jab had higher peak antibody levels than did those who waited only three weeks

Pfizer-BioNTech vaccine approval is younger teens’ shot at freedom

Hopes are high for a class of drug that could treat neurodegenerative conditions—but a recent clinical trial has brought the field up short