Starliner astronauts Suni Williams and Butch Wilmore, who were stranded at the International Space Station for nine months, ...

“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, ...

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 ...