Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

It will lead to more purple, brown, or green hues in coastal or stratified areas, with less deep blue color in water as ...

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

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 ...

Gasco is the program director for 8th Fire Solar in nearby Osage, a native-owned solar thermal energy company that manufactures and installs solar panels. About five years ago, they started working on ...

As the elders tell it, Raven the Creator had turned Earth from a frozen rock into a green garden. But as a reminder of the ice age, he caused every 10th black bear to be white. The formal name is ...