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

Resilience launched Jan. 15 aboard a SpaceX Falcon 9 rocket, which also sent Firefly Aerospace's Blue Ghost lunar lander ... more circuitous path to Earth's nearest neighbor — one that didn ...

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

As the lander orbited the planet, it captured views of Earth that evoke the famous “blue marble” images taken during ...

Is our little blue marble of a planet actually a lot more crowded than we thought? A new study suggests we've been significantly undercounting populations in rural areas, because of the grid-based ...