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 ...

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

These large, flightless birds have powerful, muscular legs and tough, prehistoric-looking feet with claws that can deliver a ...

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 ...