Ever wonder why the northern and summer hemispheres have opposite seasons? Or why the longest day of the year is considered the start of summer?
"The Earth spins on a tilted axis about once every 24 hours to create what we know as day and night. This axis is an invisible line through the center of the Earth."
You can purchase ladybug and butterfly observation kits
On Tuesday, June 8, 2004, many of us will get to see an astronomical performance not seen in 122 years. Venus will pass between the Earth and the Sun, visible as a small black dot moving across the face of the Sun. Called a "transit" by astronomers, this
Whether you are a student, educator, or amateur astronomer, Nasa has a Venus Transit website just for you.
April 22, 2006 is the thirty-sixth celebration of Earth Day. This year's theme is Climate Change as Earth Day Network embarks on a three-year campaign focusing on solutions to global warming. Although ideally everyday should be Earth Day, the annual holid
