Video: Astronaut's climate message

Astronauts on the International Space Station have a unique and incredible view of Earth. However, they also see its fragility and the impact we as humans have on the world around us.

Image: European Service Module 2 assembly

The European Service Module-2 (ESM-2) is somewhat like the portal it appears to be in this image. By providing power and propulsion for the Orion spacecraft, it will transport humans back to the Moon, roughly fifty years ...