Radioactive materials are found naturally in the Earth. But even so, saying an area is radioactive can conjure up images of ...

Earth's magnetic field dramatically flipped a little more than 40,000 years ago. We can now experience this epic upheaval, ...

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

Keep in mind that blood sugar targets may vary based on characteristics such as age, lifestyle factors and more; there is no universal “normal” blood sugar level. Instead, the information in ...

It's a normal pattern that is stronger in the winter ... The troposphere, which extends up about 6 miles from the Earth's surface, is the first layer of the atmosphere. The majority of our weather ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.

The researchers who created the map already suspected there could be more hydrogen buried in Earth's crust than scientists previously thought. But now that the results are out, even the team that ...

A large part of the U.S. is getting hit with another Arctic blast, adding to an already cold January 2025. Forecasters expect temperatures to drop below zero in several states, and to plunge to more ...

With TimeMap.org, you can do just that—no time machine required. This interactive history map lets you dive into the past, offering a unique way to see when, where, and how historical events ...

The main complication of vitamin D toxicity is hypercalcemia, which is higher-than-normal levels of calcium in the blood. Hypercalcemia causes the symptoms of vitamin D toxicity. Vitamin toxicity can ...