Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

Imagine a planet much like Earth, except instead of green trees dotting its swaths of land, two species of flowers—black daisies and white daisies—are the dominant plant life. The flowers are ...