Is the force of gravity increasing? Find out on this Moment of Science.
Mudslides may seem like total muddy chaos, but what is the cause?
It seems to be possible for planets in a stable solar system to somehow get off track and run into each other. Is our planet in danger?
During a "meteor shower" bits of rocky material that enter our atmosphere from space burn up because of friction.
Beyond our atmosphere flies a lot of debris. Some fragments can be larger than mountains, but most is space-dust.
What happens to a comet after it's exciting entrance into our orbit?
Why does earth only have one moon, while other planets have many? Jupiter alone has nearly 40 moons! Learn more on this Moment of Science.
Why do your eyes get puffy when you cry? Find out on this Moment of Science.
In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minor–as in a shooting star on a summer night–or amazingly destructive, as in the collision that probably killed off the dinosaurs. Thankfully, the […]
Ever wonder how a vacuum cleaner works? Find out on this Moment of Science.