March 20 is a date that most of us recognize as symbolic of changing seasons. As the Northern hemisphere welcomes spring, people south of the equator are actually gearing...

In astronomy, the solstice is either of the two times a year when the sun is at its greatest distance from the celestial equator, the great circle on the celestial...

Note: The day of an eclipse is given in Universal Time (U.T.) and may start a day earlier or later depending on your time zone. 201520 March. Total eclipse of the Sun....

Help students learn about the process by which energy from...

Take a sneak peek inside our printable book, "Earth Science (Grades K-4)." Included are worksheets and arts & crafts activities about the earth, the sun, climate, solids...

IntroductionSometimes little things can turn into big things. Think about brushing your teeth. If you don't brush for one day, chances are nothing bad will happen. But if...