Welcome to the Sun competition, where the goal is to determine the heaviest planet! This video features entertaining space ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

A growing range of solar system-themed activities, from printable worksheets to dramatic play centers, is helping preschoolers build science knowledge alongside literacy, math, and fine motor skills.

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...