Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

Some prominent green groups — including ones that play up Earth Day — also happen to have financial connections to ...

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 ...

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

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Earth Day is April 22, 2025. Here's what to know on how you can observe environmentally-friendly habits in Michigan.

The first Earth Day was celebrated in 1970, making this year's festivities the 55th annual festival. For the first Earth Day, ...

PHILADELPHIA (WPVI) -- We're celebrating Earth Day with all things green, and this year's theme is "Our Power, Our Planet".