Benjamin Franklin used color swatches and snow to test which colors absorbed more energy from the sun.
Zealandia, off the eastern coast of Australia, has existed for millions of years.
It's not just humans, sheep, dogs, and horses that can recognize faces.
Audio storytelling has a unique power of transport unmatched by other media.
New grassland conservancies are giving a home for the bison to roam, as they once did before going nearly extinct during the 19th century.