The page you are about to enter is for grown-ups. Enter your birth date to continue.
Look up at the night sky. If it is clear, you’ll see stars. You might see just one or two. Or you might see stars filling the sky. Let’s learn about them. Twinkle, Twinkle Stars are bright balls of hot…
A group of stars is called a constellation. The shape seems to form a picture. Here are four constellations. Have you seen them in the night sky? Scorpius is one of the brightest constellations in the sky. It looks like…
There are eight planets in our solar system. They travel in a path around the sun. Here is what you need to know about them. Mercury is the smallest planet in our solar system. It is the closest planet to…
Meet the Mars 2020 Rover. It is a robotic scientist. NASA will send it to Mars in 2020. Its job is to look for clues about life on the Red Planet. The rover has one arm. That arm is seven…
The moon is Earth’s closest neighbor. It is the brightest object in the night sky. Scientists have studied the moon for thousands of years. Learn more about the moon. The moon is about 4½ billion years old. It is made…
Peggy Whitson is an astronaut. She works for NASA. She loves science. Peggy traveled to space three times. Life in space is different from life on Earth. Find out about Peggy's life in space. She orbited. Peggy lived here when…
Peggy Whitson is an astronaut. She works for NASA. She loves science. Peggy traveled to space three times. Life in space is different from life on Earth. Find out about Peggy’s life in space. She orbited. Peggy lived here when…
NASA plans to send astronauts to Mars in about 15 years. It will be the first time people have set foot on that planet. Read about how NASA is getting ready. A Cold, Dry Planet Mars is a cold place.…
