In a typical summertime thunderstorm, warm, moist air rises rapidly into the atmosphere, where it hardens into ice crystals, ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

Earth is currently under bombardment from one of the most powerful geomagnetic storm categories the Sun can unleash. Thanks ...

A powerful geomagnetic storm caused by an X-class solar flare and a fast-moving coronal mass ejection has disrupted Earth's ...

The northern lights glowed across much of the United States last night. Is the aurora borealis returning to Ohio tonight?

NASA astronaut Chris Williams captured the spectacle from the International Space Station orbiting our planet.

Solar wind sounds poetic, but it's a very real and powerful phenomenon, connecting the Sun to every part of our solar system.

You may not have noticed—how could you?—but Earth recently went through a rare S4 solar radiation storm, the strongest one we ...

Tennessee leads the nation in the number of nocturnal tornadoes that destroy buildings and ranks among the top states for ...

In subzero winds, hypothermia announces itself in small, easy-to-miss ways. Here’s what one Nat Geo Explorer does to combat it in some of the coldest places on Earth.

With severe cold hitting much of the country, some unusual phenomena like "exploding trees" could be on the way. Here's what ...