It’s more than a poetic name: the Blue Ridge Mountains really do appear blue, thanks to the human eye and Earth’s atmosphere.

If this work is right, the oceans were green approximately as long as they’ve been blue, a relevant fact when looking for ...

NASA's images reveal Earth's deteriorating condition due to human actions, highlighting melting ice, deforestation, and ...

An important conservation message is shared in 9-year-old Sora U.’s work, titled Wildlife. The artist uses trees, an owl, ...