Everyone knows the Earth has constantly evolved over the course of billions of years, and the natural landscapes we see today ...

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

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the ...

Earth’s oceans have remained blue for hundreds of millions of years, but scientists say that’s now changing. A 2019 study ...

The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among the first to engage in oxygenic photosynthesis.

Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new research from Nagoya University in Japan.

An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

Firefly Aerospace’s Blue Ghost Mission 1 lunar lander snapped incredible photographs of the March 13–14 total lunar eclipse, ...