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The procedure could be life-changing for some people with debilitating conditions.

As the computer age dawned, he saw how the new technology could be harnessed to mathematics to solve problems in everything from designing weapons to predicting the weather.

New vaccines are often evaluated in trials in which some participants receive a placebo. But not all studies can be designed this way.

The most extensive research on Medicaid coverage to date found that it reduced the risk of death by 21 percent.

The Danish drugmaker, which makes Ozempic and Wegovy, has seen its stock tumble as competition in the weight-loss drug market has grown fiercer.

He and his team of NASA engineers jumped into action to help three astronauts bound for the moon. His quick thinking earned him a shout-out from Richard Nixon.

The U.S. is slashing funding for scientific research, after decades of deep investment. Here's some of what those taxpayer dollars created.

Disturbing thoughts and social fixations are among the many manifestations of obsessive-compulsive disorder.

With new testing requirements, it's not even clear how new Covid or flu shots can be made available this fall.

The rock called Maka Lahi is important in the mythology of the people of Tonga, and scientists have worked out part of its origin story.