New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.

The second stage of SpaceX's Falcon 9 rocket captured an amazing view of Earth during the launch of the Intelsat 40e ...

Sen aims to use the story-telling power of video to inspire, empowering everyone to witness planetary change and humanity's exploration of space.

Firefly Aerospace 's moon-bound spacecraft has provided the closest thing to a reflecting pool in space, showing Earth as an ...

See the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA / ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...