Are you looking to celebrate Earth Day with the kids in your life? Here are 5 easy ways to celebrate Earth Day plus fun Earth Day crafts for kids. Happy Earth Day! Are you looking for some fun ...

A day is the time period of a full rotation of the Earth with respect to the Sun. Over billions of years, the moon has been slowing down a full rotation of the earth due to the tides that the moon ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

One complete rotation of Venus takes 243 Earth days. Imagine a school day that long… To make things stranger, a year on Venus lasts only 225 Earth days. That’s right: a Venusian year is ...

Earth orbits the sun once every 365.25 days. Since our calendar years have only 365 days, we add an extra leap day every four years to account for the difference. Though we can't feel it ...

In the April issue, to mark Earth Day, we’ll publish a guide that separates ... in an era when some people claim that there are no “facts” and basic science is loudly questioned without ...

The organization gave more than 67,000 children their own tree last Earth Day and is aiming to reach 100,000 kids for Earth Day this year. Earth Day raises awareness about environmental issues and ...