
Many things are in the night sky. The Moon is in the night sky. Bright stars are in the dark night sky. Sometimes the night sky is too bright to see stars.
Photo Credit: Getty Images/iStockphoto
Scientists look to nature for ideas. This is called biomimicry. … read more
People have always dreamed of flying. How did engineers first … read more
Animals use camouflage to survive. Camouflage is a way that … read more
© 2025 McGraw-Hill Education. All Rights Reserved.