Radiation is all around us. If you’ve been on a plane or had an X-ray at the dentist, you’ve been exposed to tiny amounts of radiation. The radiation you’d receive by taking a 5.5-hour flight from New ...

Earth’s molten outer core is critical to life on our planet. Churning some 2,900 kilometers beneath the surface, it’s a vast ...

Add Yahoo as a preferred source to see more of our stories on Google. The Earth's magnetic field deflects particles emitted by the Sun. Mark Garlick/Science Photo Library via Getty Images The Earth’s ...

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental changes. While current satellite observations have greatly advanced our ...

The investigative minds at How to Survive explore the horrifying radiation levels and protective survival measures needed in ...

Radioactive potassium, common enough on Earth to make potassium-rich bananas one of the “hottest” foods around, appears also to be a substantial source of heat in the Earth’s core, according to recent ...

"This dust can penetrate the shielding of the solar system and end up on Earth." When you purchase through links on our site, ...

A revisit to the historic Trinity nuclear test reveals how the world's first atomic explosion in 1945 created a rare ...

Stars, like the Sun, are remarkably constant. They vary in brightness by only 0.1 percent over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep ...

A recently exploded star relatively near the solar system is raining radioactive metal down on earth, according to a new study published Thursday. Specifically, researchers found the radioactive ...

Our solar system is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between ...