Science

Experts warn that people may not be aware they're getting too much of the popular nutrient, which can cause poisoning.

Despite the recent storm, scientists are growing concerned about the water supply and a risk of wildfires later in the year.

The Bulletin of the Atomic Scientists, an advocacy group, uses a clock to symbolize the likelihood of people doing something to end humanity.

"What's particularly exciting about finds like this is that we just so rarely have wood preserved for that long," the study's lead author said.

Severe weather is bringing subzero temperatures to the northern Plains, then onto the Mississippi Valley, the Northeast and the Ohio Valley by Sunday.

Widespread water insecurity is the result of decades of overuse, as well as shrinking supplies from lakes, rivers, glaciers and wetlands, the researchers found.

The discovery, in Indonesia, helps scientists trying to determine when and where early humans first learned to make art.

Jeff Bezos' space company announced a plan to deploy 5,408 satellites in space, jumping into a market dominated by Elon Musk's SpaceX.

The aurora could be visible across Canada and much of the northern tier of U.S. states — and possibly farther south — after a major disturbance in the Earth’s magnetic field.

The rollout sets the stage for tests and dress rehearsals ahead of NASA's first crewed flight to the moon since 1972.

The Senate voted to provide billions more to NASA, NOAA and the National Science Foundation than the president had asked for.