Discover interesting facts about asteroids, large chunks of rock that were leftover from the formation of the solar system.

Discover the latest scientific information about asteroids.

The large fireball observed on the morning of Feb. 15, 2013, in the skies near Chelyabinsk, Russia, was caused by a relatively small asteroid that entered Earth's atmosphere at high speed and at a shallow angle. Preliminary information...

Watch and learn as Bill Nye the Science Guy demonstrates what happens when two steel spheres are smashed together. Enough heat is generated at the point of contact to burn a hole in a piece of ordinary paper. [1:05]

Enter our solar system to interact with the planets, moons, asteroids, meteors, and more. Investigate with NASA scientists and explore missions related to space exploration. Read facts, compare statistics, look through resources, and...

Find out about why Earth's moon is full of craters, and what happens to asteroids and meteors when they come into contact with Earth.

Find out about Clyde Tombaugh, the scientist who discovered the dwarf planet Pluto in 1930, and also discovered a number of asteroids.

This site explores the smaller bodies in the solar system, namely the various asteroids and comets. Links are also provided for additional information on related subjects.

In this video segment adapted from NOVA, animations of an asteroid hitting Earth are used to illustrate this widely accepted theory of dinosaur extinction and the resulting conditions that favored mammals.

How do astronomers collect stardust? They design and build satellites that are launched into space to collect particles on specially designed panels. Satellites can be sent to orbit around an object of interest: a planet, moon, or comet....

A great site about the most common echinoderm, the sea star.

Click on each space object to discover facts and other information about the many space objects that make up the solar system.

This article, reprinted from the fall 1979 LBL News Magazine, was written about Dr. Luis Alvarez and his part in the study of geological sediments and the great extinctions.

Quaoar, the most recent addition to our solar system, has displayed many planet-like characteristics but has yet to be named "the 10th planet." Learn more about the interesting find here. Many links to various sites on Quaoar and the...

Amazing Science provides teachers with facts about comets that they can use as a reference or to stimulate class discussion. The science questions support the instructional activity's activities.

A detailed overview of the history, mythology, and current scientific knowledge of each of the planets and moons in the solar system.

A collection of video lectures from several guest speakers about issues of astrobiology and space exploration at Stanford University. The lectures cover topics like Martian meteorites, planetary system, life in space, and satellites....

Amazing Science looks at the Solar System with this FAQ site and lesson plan.

Investigate the science of radio astronomy, and create a model of a curved reflecting dish that will work like the Arecibo detector to detect electromagnetic waves. Explore risk using a risk space grid.