Celebrate your love for the planet we call home with these free Earth Day coloring pages for kids and adults. Print them for your family.

Earth's oceans may have displayed a very different color several billion years ago. This hypothesis emerges from a recent ...

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

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation has been, “It’s rusty.” While that’s not entirely wrong, the truth is far ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

The recent paper's case for green oceans in the Archaean eon starts with an observation: waters around the Japanese volcanic ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...