For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” who look suspiciously like us in rubber suits. The scientists who actually ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

Earth is often called “the Pale Blue Dot” thanks to its bountiful oceans, but most of the planet’s land masses are actually dominated by the color green. Plants use chlorophyll (which absorbs red and ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...