Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

This Earth Day, we reflect on our home planet and look at Earth from space through history. It's "like watching sunset at the beach from the most foreign seat in the cosmos," Artemis 2 commander NASA ...

Nature in the Neighborhood On Dec. 24, 1968, Apollo 8 astronaut William Anders took a photo that photographer Galen Rowell ...

From the highest mountains to the deepest oceans, the breath of life as we know it depends on a single, vital element: oxygen. Our planet's atmosphere is currently a vibrant, oxygen-rich blanket, ...