A metal detectorist in Germany has unearthed an Early Middle Ages hoard that contains 200 artifacts, including a pendant that ...

To answer these questions, it is easiest to start with the amount of gold that humans have mined to date. The U.S. Geological ...

Even though there are 8 billion people on Earth today, a catastrophe could send that number much lower within a few decades.

A pair of 14,000-year-old "puppies" found melting out of the permafrost in Siberia have undergone genetic testing, proving ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Subduction zones, where one tectonic plate dives underneath another, drive the world's most devastating earthquakes and ...

Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting ...

Researchers armed with the Hubble Space Telescope have revealed that some of Uranus' largest moons have one side brighter ...

Space weather experts warn that a "moderate" geomagnetic storm could rock Earth over the weekend, potentially lighting the ...

Breathing patterns among humans are so unique that they can work as an identification tool, scientists report. They propose ...

The Zanj, enslaved people largely from Africa, rebelled at the same time they were ordered to build a massive system of ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...