I've often wished we could all have a brief moment of hurtling around the Earth, not to posture or preen, but to show the opposite — we are small, we are humble, and we need to fiercely care for the ...

A new study reveals Earth's oceans may have looked green 2.4 billion years ago due to iron particles before oxygen made them ...

The oceans wore a green hue billions of years ago and if cameras existed, Earth would have looked emerald green from up above ...

Every year on April 12th, the world pauses to honor one of humanity’s most groundbreaking achievements — the International ...

In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not just a trick of the light — it’s caused by microscopic particles of oxidized ...