In a breakthrough for longevity science, a reverse-aging treatment has been injected into a human. The technique is a sought-after solution for improving longevity by reprogramming cells. Competitors ...

Promising mouse studies and billions of dollars in funding are stoking excitement. But we’ve been here before.

Jonas Salk quietly built the polio vaccine through rigorous, methodical work in Pittsburgh: treating patients, refining data, conducting massive trials, before unveiling results that altered the ...