Solar system is a collection of various celestial bodies that are held together by the gravitational pull of the sun. Our ...

Some are no bigger than pebbles, while others stretch for miles, silently orbiting the sun in the asteroid belt or zipping ...

Join me as I take my kindergarten students on a fun and interactive classroom spacewalk! We explore the solar system, meet ...

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

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 ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.