Science

While researching his book, “Breath,” James Nestor participated in a study in which his nose was completely plugged for 10 days, forcing him to breathe solely through his mouth. "I felt awful," he says.

NASA and SpaceX were ready to launch a pair of astronauts from U.S. soil for the first time in nearly nine years on Wednesday, but the weather had other ideas.

NASA and SpaceX plan to launch astronauts to the International Space Station on Wednesday. This is the first time a new kind of spacecraft has launched astronauts into orbit since the space shuttle.

Moss balls seem to roll around glaciers in a coordinated way, and researchers can't explain why the whole group moves at about the same speed and in the same direction.

The U.S. military’s mystery space plane rocketed toward orbit again Sunday, this time with an extra load of science experiments.

Early reports suggested death rates as high as 90 percent for COVID-19 patients on ventilators. But some hospitals are now reporting mortality lower than 30 percent.

There’s another affliction adding to our misery this spring: a variety of gnat that’s proven unusually aggressive — if not outright painful — for people out enjoying the warm weather.

The science of the COVID-19 pandemic is driving policy decisions. We explored the latest with two doctors — an infectious disease expert and a health policy researcher.

Minnesota’s stay-at-home order has been extended, but some restrictions have been loosened. As the state moves toward reopening for business, we turn to a guest from the Minnesota Department of Health and a doctor to look at how the state has responded so far and what’s ahead in terms of testing and treatment needs.

The world's largest hornet, a 2-inch killer dubbed the "Murder Hornet" with an appetite for honey bees, has been found in Washington state, where entomologists were making plans to wipe it out.