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We asked experts for measures people can take that may help boost defenses against COVID-19 and other respiratory diseases.

From hospitals and college campuses to remote villages in French Guiana, scientists have pit the two approaches against one other. See which one comes out ahead.

Although scientists debate the ethics of deliberately infecting volunteers with SARS-CoV-2, plenty of consenting participants have been exposed to all sorts of pathogens in prior trials.

While sick with COVID-19, President Trump is taking an antacid. Doctors have been exploring whether these medicines can treat SARS-CoV-2 infections, and the results are mixed.

Emmanuelle Charpentier and Jennifer Doudna reprogrammed the bacterial immune response into one of the most popular tools for genetics and molecular biology.

Overactive immune cells identified in a mouse model and in postmortem human brain tissue may offer a potential therapeutic target for cognitive delays associated with the condition, researchers report.

Marine ecologist Jeroen Ingels discusses what is known about ice shelf loss at the southern pole and how those changes are affecting local ecosystems.

The President was hospitalized on Friday evening and has been receiving an aggressive treatment of experimental and standard drugs.

Harvey Alter, Michael Houghton, and Charles Rice share the Physiology or Medicine award for their contributions to identifying the virus and demonstrating that it was responsible for hepatitis among blood transfusion recipients.

As the hiring season gets underway, academic listings are still way down from last year, but there are signs of the job market picking back up.

The results add to mounting evidence of microbes’ roles in tumor growth and point to the possibility of impeding malignancies by inhibiting bacteria.

Almost 60 percent of people in a new study on attitudes in the US felt comfortable using animals to grow human organs from induced pluripotent stem cells.