An experimental drug let mice spend a month in the International Space Station's near-zero gravity without losing mass. It could help people spend years in space without major health consequences.

There's increasing evidence that the coronavirus can linger and spread through the air in crowded indoor rooms. Researchers say infectious clouds can be dispersed with fresh air.

NPR's Michel Martin explores how young voters may impact November's election with researcher Kei Kawashima-Ginsberg.

There's a lot that scientists don't know about how viral infections can interact. But researchers are eager to figure out how coronavirus infections might affect flu infections and vice versa.

NPR's Rachel Martin talks to Pat Garofalo of the American Economic Liberties Project, about the progressive group's study indicating Facebook and Google are harming local journalism.

Scientists say new drugs are on the way for patients with ALS. The latest is a two-drug combo that appears to slow the progression of the fatal nerve disease with a modest but meaningful benefit.

Multiple studies now confirm earlier research: Dexamethasone and hydrocortisone, drugs that reduce an immune system's overreaction, can help reduce deaths of hospitalized COVID-19 patients.

Mental health effects of the COVID-19 pandemic have been profound, researchers find. Nearly 25% of Americans are depressed, particularly those who have low incomes and have lost a job or a loved one.

Gyms are reopening with fewer people and more protocols, and they want to rehabilitate their pandemic-battered image. Although there's not much evidence, they say the science is on their side.

Researchers say mother bats use baby talk to communicate with their pups. Experts say that it helps bats learn the language.

A vaccine against the coronavirus needs to keep people from getting very sick and dying. But preventing the spread of the disease is also important, and vaccines delivered by nasal spray may do that.

What if your body could corral an infection instead of eliminating it? Immunologists who see this sort of "disease tolerance" in plants wonder what role it might play in asymptomatic human infections.

A 1-year-old Black boy is now the youngest Georgian to die of COVID-19.

A century of U.S. statistics finds mortality rates and life expectancy were much worse for Black Americans during pre-pandemic years than they have been for white people during the COVID-19 crisis.

Some unusual meteorites suggest that Earth got its water at its start, rather than forming dry and being watered by comets later on.