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

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the entirety of the seven-window Cupola module in the video, using the panels to ...

The image shows part of the space plane, the blue marble of Earth and the darkness of space. "An X-37B onboard camera, used to ensure the health and safety of the vehicle, captures an image of ...

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

On December 7, 1972, Apollo 17 astronauts captured a now-iconic image of Earth, sometimes called the “blue marble.” Our National Air and Space Museum explains how it became an inspiration and symbol ...

The First Spacewalk (1965): This iconic photo of Ed White floating freely during NASA’s Gemini 4 mission captured America’s first-ever spacewalk. It showed the world that humans could survive and move ...