Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

From the Bermuda Triangle to Antarctica's Blood Falls, we look at mysterious sites and stories from around the world.

Check out 24 of the world’s must unusual landscapes — from the hellish Darvaza Gas Crater in Turkmenistan to the “snow ...

Auroras are natural light displays that occur when charged particles from the sun interact with Earth’s magnetic field and ...

The bright colors are due to inorganic iron oxidation. Known also as the Richat Structure, the Eye of the Sahara looks pretty much like any other part of this continent-straddling desert from the ...