Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, ...

So, the seasons occur because the Earth's axis is tilted and it goes around ... This is why, every four years, we have a leap year. A leap year adds an extra day (29th February) to make up for ...

Earth Day has always been a day that acknowledges our planet, which provides for us, and ways we can protect and preserve its ...

The spring equinox can happen between March 19 and March 20. The longest day of the year, the summer solstice, arrives June 20. Spring is here, but don't put away those sweaters yet. A cold front is ...

Now celebrating its 55th anniversary, this year's Earth Day theme, "Our Power, Our Planet," calls for people worldwide to ...

The first Earth Day is largely credited as one of the key moments that launched the modern environmental movement.