Astronomy & Observatories

Amazing Space

Learn about black holes, comets, asteroids, gravity, the solar system and much more.

Astronomy for Kids

Learn about the moon, sun, stars, planets, etc. Easy to read format.

Constellation List

Lists all 88 constellations. Click on the constellation, scroll down to see what it looks like up in the sky. Then scroll down further to read its description and any myth associated with it.

Current Moon Phase

Look at the phases of the moon for a specific date.

Earth Observation Satellites

Find out where all the satellites orbiting Earth are right now. Light and dark areas depict day and night.

Astronomical Objects


Moons of Uranus: Facts About the Tilted Planet's Satellites

Discover how space missions discovered the moons of Uranus.

Uranus' "Sprightly" Moon Ariel

Ariel's seasonal cycle makes it a unique moon of Uranus.


Fly Through Pluto Moon Charon's Giant Canyon in Spectacular New Video

Look at amazing images of Pluto's big moon.

Solar Views: Charon

Charon and Pluto were discovered at the same time. Solar Views describes the characteristics of the the moon.

Why are Pluto and Charon So Different?

Pluto and Charon could not be more different. Click the link to find out how they are so different.


Deimos: Facts About the Smaller Martian Moon

This small moon was so close to its parent that it took years to be discovered.

The Planets: Deimos Facts provides facts about one of Mars' moons.

Universe Today: Mars' Moon Deimos

Universe Today provides facts and characteristics of this small space object.


Discovery Science News - Ganymede: Facts About Jupiter's Largest Moon

Read about the large moon and watch a clip about it trip around the large planet.

Ganymede: Facts About Jupiter's Largest Moon

Ganymede is the largest satellite in the solar system. Learn about the huge object orbiting Jupiter.

NASA Confirms There's an Ocean on Jupiter's Moon Ganymede

In 2015, NASA confirms there is an ocean on Ganymede according to Hubble Space Telescope observations.



Explore the ninth-largest moon in the solar system.

Oberon: In Depth

NASA describes the moons features.

Solar Views: Oberon

Quick facts about Uranus' moon Oberon.


Sirius: Brightest Star in Earth's Night Sky

The Dog Star is one of the easiest stars to spot in the night sky.

Sirius is Dog Star and Brightest Star

Explore the origins of the brightest star in the sky.

What are the Dog Days of Summer?

The Old Farmer's Almanac explains the phrase and its relation to the Dog Star.


Rigel in Orion is Blue-White

Rigel is one of the brightest starts in the night sky.

Rigel Star

Quick facts about the Rigel Star.

Universe Guide: Rigel

Universe Guide provides facts about the star Rigel in the constellation of Orion.


NASA Overview: Titan

NASA provides information about Saturn's largest moon.

Titan: Facts About Saturn's Largest Moon

Learn about Titan's statistics and other facts about the large moon.

Habitable Titan? Cassini, Huygens Revealed Wonders of Saturn's Biggest Moon

Cassini has studied the giant moon for many years and can now tell us how similar and different it is to Earth.


Wolf-Rayet Stars

The first Wolf-Rayet star was discovered in 1867. Click here to learn how they "live fast and die hard."

What is a Wolf-Rayet Star?

Learn how huge stars begin to die in the sky.

Wolf-Rayet Stars: Sounds Like Sci-Fi, But Full of Sci-Fact

The sites explains what the strange star looks like.

Solar System

Capture the Cosmos: Solar System

Learn about the solar system and collect solar system trading cards while playing the online activities.

Learn About the Whirling, Twirling Planets

A planet is a large space object, which revolves around a star. It also reflects that star's light. Nine planets have been discovered in our solar system. Click here to learn more! (Excellent site, easy to read)

Our Solar System

Want to know more about planets, comets, asteroids, and the sun? This site has information on all this and more.

Zoom Astronomy

Visit the Enchanted Learning site to learn about the planets. Look at the picture that shows the order of the planets from the sun. Find out what the temperature is on each planet, how long is a day on each planet as compared to earth--look at the chart, look at the chart called "Planets in our Solar System" to find out how many moons each planet has & to find out the distance from the sun. Get coloring pages, take a planet quiz, find some fun crafts.

Space Flight

How Space Stations Work

The first space station was sent into space in 1971. Learn how a space station orbits the Earth and how the station supports life.

NASA for Kids

Visit this interactive site to learn about astronauts living in space, space and beyond, rockets and airplanes and our Earth.

NASA Human Space Flight

Learn the history of manned spacecraft missions including Mercury, Apollo, and Shuttle-Mir project.

Space Exploration

View a timeline of space exploration and learn about astronomers.