Medicine

Zipline’s tethered delivery system lowers packages from the sky. Now it has to show that people want the service

Researchers are finally learning the mechanism behind one of the most prescribed medicines in the U.S., primarily used to treat or prevent type 2 diabetes

As psychedelic therapies expand, new clinics treat uncommon long-term harms

Smell is one of the most complex and least understood senses

The history of testicular transplants is long and often sordid, but this successful procedure offers hope for survivors of cancer and other diseases that affect fertility

Most adults have levels of a dangerous type of cholesterol that are above 100, but this new drug can reduce levels to around 50

Equipping spacecraft with x-ray machines could boost safety for long-duration spaceflights—like a crewed mission to Mars

Several children who had aggressive recurrent brain tumors remained disease-free years after this treatment, according to an early-stage trial

The SpudCell certainly resembles a living cell, but a key structure inside the cell falls short of the real thing

The Trump administration is mulling new rules that would give political appointees final say on research grants

Using viruslike particles to deliver therapies safely and effectively

Building models of the human brain to better understand disease