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

An official state of the union for 66 years, Alaska is known for its glaciers, permafrost and national parks. Home to North ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...