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The moon is Earth’s closest neighbor. Look up! You can see it in the night sky. Sometimes, you can see it during the day. The moon is a large rock. (Above) It is one-fourth the size of the Earth. The…
In 1969, people landed on the moon for the first time. The mission was part of the Apollo program. It was run by NASA. That is the United States space agency. There were many Apollo missions. Here are five of…
A laboratory is a place for experiments and research. The International Space Station (ISS) is a space laboratory. Astronauts live and work there. They come from many countries. Round and Round The ISS is 250 miles from Earth. It travels…
Christina Koch is an astronaut. She worked at the International Space Station. Her mission lasted 328 days. Here is how she spent her time. Researching Koch did science experiments. She tested robots. She studied how vegetables grow in space. Making…
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…
