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How big does a meteor have to be to make it to the ground?

How big is a shooting star? Do they land on earth or do they burn up? Learn how what tiny particles of space dust have to do with meteors.

Ancient Obliteration of Dwarf Planets May Have Created Saturn's Rings

Were Saturn's rings formed by the destruction of smaller planets? Learn more about new research on Saturn's rings in this HowStuffWorks Now article.

Could Our Spacecraft Accidentally Ignite an Alien World's Entire Atmosphere?

Could a rocketship ignite an alien planet's flammable atmosphere? Learn more about the possibility in this HowStuffWorks Now article.

Green Fireball Lights Up Midwestern Night Skies

A green fireball lit up Midwestern skies in February. Learn more about meteors at HowStuffWorks Now.

Our Amazing Solar System

Our solar system has a variety of small objects such as asteroids, comets, stars, meteors, and moons. Find out how they affect life on Earth.

Jupiter Explained

Jupiter is the largest planet and is fifth from the sun. It is the third-brightest spot in our skies--after the sun and Venus. Jupiter is made up almost entirely of gas, which means it doesn't have a solid surface like Earth does.

How will landing on Mars work?

Landing on Mars will be one of the most dangerous and rewarding space missions. Learn how landing on Mars will further our understanding of space.

Building Sand Castles on Titan Would Be As Awesome As It Sounds

Could Saturn's moon Titan be the solar system's best place to build a sand castle? Learn more at HowStuffWorks.

What's Way Cooler Than Naming a Kid? Naming a NASA Spacecraft

NASA's space probes typically get named by one of three methods. Learn more about the naming process for space probes at HowStuffWorks Now.

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