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The United Kingdom has become the first country to approve a thoroughly tested COVID-19 vaccine. A British regulatory agency approved the Pfizer/BioNTech vaccine on Wednesday.

Sepsis is one of the most common causes of death for hospitalized patients. The search for an effective treatment has been frustrating.

With much of the U.S. sweltering this summer, even avid runners, hikers and bikers are wilting. We've got 10 strategies from experts on how to exercise without keeling over.

The National Academy of Sciences report includes an updated review of the evidence from around the world and a set of recommendations on mitigation strategies for the coronavirus in school settings.

With much of the U.S. already sweltering this summer, even avid runners, hikers and bikers are wilting. We've got 10 strategies from experts on how to enjoy hot weather exercise without keeling over.

The Department of Veterans Affairs has partnered with the Warrior-Scholar Project, a non-profit group that runs the camps at major universities around the U.S.

This Friday, the San Diego Natural History Museum and Digital Gym Cinema partner for the third year in a row to present Reel Science. The film series pairs sci-fi movies with local scientists who contextualize the science presented on screen.

To survive the recall election, Gov. Gavin Newsom must have the support of California's Latino voters. But in Imperial County, many of those voters stayed home or shifted toward Donald Trump in 2020.

More contagious than other variants, and maybe more likely to cause severe disease, Delta is spreading so fast in the U.S. it could cause another surge this summer or fall, according to new research.

Recent studies have raised fears that immunity to the coronavirus might be fleeting, thus making potential vaccines ineffective. The reality of the science is more complex — and more reassuring.