How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...
A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.
In 2005, scientists announced that moss could grow inside of spaceships. The little plants the scientists sent up on NASA ...
The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...