Great Barrier Reef
In the Know

The Great Barrier Reef in Danger

Off the coast of Australia, an area bursts with color and life. Observers have called it a city in the sea. Stretching 1,600 miles long, this living structure can be seen from the moon. It … Read more

In the Know

Important Moments in Space Exploration

In 1957, scientists in the former Soviet Union launched a satellite into space. The satellite was called Sputnik. Sputnik helped scientists learn about space and space travel. The Soviet Union used this information to make … Read more