Barry Wilmore and Sunita Williams have been at the International Space Station since June after technical issues with their ...

Nasa astronauts Sunita Williams and Butch Wilmore are finally on their way back to Earth via SpaceXy, concluding an extraordinary extended mission spa.

Why you should leave every place better than you found it. This is a story about Earth Day, Science Guy Bill Nye, and Japanese soccer fans. Actually, let's take it all in reverse. A few years ago ...

“Earth Day should encourage us to reflect on what ... Bill Nye, engineer and Science Guy 52. “Dear old world, You are very lovely, and I am glad to be alive in you.”—Lucy Maud Montgomery, ...

The U.S. military's top-secret X-37B space plane has returned from a mysterious 434-day mission in orbit. The enigmatic ...

Every morning, here on Earth, the sun rises in the East – and the day begins.Later it sets in the West – and it becomes night. But have you ever wondered why that happens? Humans once believed ...

These clips are from the BBC series, Primary Focus Science and Science Clips ... In these places, it stays dark all day in the middle of winter. But the Earth travels around the Sun, taking ...