Science has a funny way of humbling certainty. Most of us carry a mental picture of how Earth works that was assembled in ...

Some science facts sound impossible, but they’re real. These examples show how strange reality can get once you look closer.

Most people carry a fairly comfortable picture of the planet they live on: solid ground underfoot, north is north, and everything more or less stays in its place. That picture, it turns out, is ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

You’d think that humans would have a pretty good understanding of our planet after 300,000 years. But as it turns out, scientists are constantly learning new things about Earth.

We have lots of recent evidence to suggest Earth is weird—really weird. Our planet, for example, mysteriously pulsates every 26 seconds, has a secret hidden layer, is rapidly getting colder (but only ...

Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

Read a National Geographic magazine article about auroras and get information, facts, and more about magnetic storms.