Attention Educator Member Teachers! Go to our special offers page for information about attractive upcoming professional development events next year. Not an Educator Member? Join Today! Check out resources from our Affiliates!
Global locations of visitors using this page right now
Welcome to Windows to the Universe - your portal to discovery! Explore the wealth of information available here to learn about the Earth and Space sciences and related topics in the humanities including mythology, art, poetry, and more.
Our mobile website version is available now on your phone's web browser and give us feedback.
NEW Subscription Opportunities for Educators and their Students! - Classroom, School, and District Subscription Options.
Windows to the Universe Professional Development - On-site, in your school - find out more about this opportunity here. Information about our upcoming workshops and events is available on our Teacher Resources/Workshops page.
Did you know that our system of wind speed measurement has roots in seafaring history? Understanding wind speed was critical for sailors. Check out this video from the Little Shop of Physics ...Read more Brought to you by CMMAP
Computer models help scientists study all aspects of space weather. Models help us understand activity on the Sun, the flow of the solar wind in space, and planetary magnetospheres ...Read more Brought to you by CISM
The Cambrian period, at the beginning of the Paleozoic, was the first time that multicellular life forms flourished on Earth. By the end of the Paleozoic, and beginning of the Mesozoic, all the continents ...Read more
Galaxies are huge collections of stars, gas and dust, and mysterious dark matter. Galaxies are thousands of light years across and contain billions of stars. We are in the Milky Way galaxy ...Read more
12/14 Birthday of Tycho Brahe, a Danish astronomer, on this date in 1546 Details
12/15 On this date in 1970 Venera 7 becomes the first spacecraft to successfully land on another planet Details
12/20 Carl Sagan, an American astronomer, died on this date in 1996 Details