Follow along as host Jessi and her mouse sidekick, Squeaks, examine space's comets and asteroids. Discover what they are made of, their size, where we can find them, and two of the more popular space objects of the group.

What's bigger than an asteroid but smaller than a planet? A dwarf planet! Take a peak into the five dwarf planets—Pluto, Haumea, Makemake, Eris, Ceres—with a captivating video hosted by Jenni and Squeaks.

Be prepared to get an in-depth look into the sixth planet from the sun—Saturn—with a fast paced, eye-catching video that details the planet's famous rings.

We are using some natural resources at a rate that means we will run out of them in the near future, but what if we could get them from space? Watch a video that highlights a company that was founded to mine asteroids and other...

What are all those shiny things we see in the sky at night? It could be a star, planet, or asteroid! This is the focus of a video that helps viewers distinguish between these three objects in the sky.

It's commonly known that over 70 percent of of the earth's surface is covered by water, but exactly where did it all come from? Join this short video as it travels back to the beginning of the universe in search of the origins...

A thought-provoking video about asteroids and a "doomsday asteroid" that may hit Earth in the 2020's is presented here. This program could be used as a way to start a research project about asteroids with your class.

How were we, as a planet, effected by ancient asteroid impact? We find that a cosmic impact was responsible for killing the dinosaurs, but it also led to the conditions that made human life possible. This is an informative clip that...

Taking somewhat of a humorous, paranoid viewpoint, this video explores the question of whether or not space objects are likely to take us out. From asteroids, to the sun dying out, to the Milky Way's supermassive black hole, the...

If an asteroid was to hit the earth what would be the effect? The result would be based on its speed, trajectory and most importantly, its size. This site provides a feature that allows you to learn the effects of these variables and...

A look at the 'comfort zone' humans live in, and the interplay of life and the biosphere. [9:58]

Asteroids are chunks of rock or metal, or both, that were once part of a planet, but were destroyed after collisions. Most asteroids orbit the Sun between Mars and Jupiter, but some get near the Earth. The biggest asteroid, Ceres, is far...

Scientists discuss an asteroid near miss from hitting Mars in 2007. Find out the implications of such a collision.

A video exploring "flying space rocks" known as comets and asteroids. Learn about how comets got their name and the most famous comet. Also understand where asteroids are found and how they change into meteor then meteorite. [4:00]

Bill Nye explores how an asteroid impact could affect Earth in this video. Learn how the asteroid would be detected and what we could to do to try to stop it! [7:07]

Now that we've finished our tour of the planets, we're headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between...

Animated video tells the story of how the solar system came to be. [3:02]

Explore why the moon looks the way it does. Watch kids use the scientific method to learn how craters form.

This is a good resource for asteroids in general, but it also gives some specific details on NEAR's mission to Eros. You can also find out how much you weigh on an asteroid.

The spacecraft will soon enter orbit around Vesta, an asteroid the size of Arizona, to study it.

The US spends $4 million each year to search for comets or asteroids that could threaten the planet. That's not enough to get the job done, according to a new report from the National Research Council.

Listen as scientist discuss that the moon is not the only body in space following Earth's path. Learn how planet Earth has a new found neighbor, an asteroid that shares our orbit around the sun. [17:30]

Asteroid 2012 DA14 comes very close to Earth on February 15, 2013. [2:28]

Discusses the history of astronomy and how scientists grouped disparate bodies as planets, and why Pluto is no longer considered a planet. [4:45]