How Long Will the April 2024 Eclipse Last?

Not every eclipse is the same. Learn how long the April 2024 total eclipse will last, including how long the totality will occur for.
How Did the Wasatch Mountain Range Form? - Eclipse Optics

How Did the Wasatch Mountain Range Form?

The Wasatch section of the Rocky Mountain Range is a beautiful and iconic set of peaks. Learn how it formed.
How Did the Everglades Form? - Eclipse Optics

How Did the Everglades Form?

Learn how the everglades formed

Solar Eclipses Through Time

Learn about solar eclipses throughout history.
Geologic History of New York City - Eclipse Optics

Geologic History of New York City

New York City is built on rock. Learn about its geologic and glacial history.
Annular Eclipses Explained - Eclipse Optics

Annular Eclipses Explained

Learn how annular eclipses occur, like the one that graced the western US in October 2023.
How Did the Ozarks Form? - Eclipse Optics

How Did the Ozarks Form?

Learn how the Ozark range formed millions of years ago.

The Future of Solar Eclipses On Earth

Will Earth always have solar eclipses? The answer may surprise you.
How Did Stone Mountain Form? - Eclipse Optics

How Did Stone Mountain Form?

Learn how Stone Mountain in Georgia formed.
Solar Eclipse Paths Explained - Eclipse Optics

Solar Eclipse Paths Explained

Learn why solar eclipses do not follow the same path
How Did the Blue Ridge Mountains Form? - Eclipse Optics

How Did the Blue Ridge Mountains Form?

Learn how the Blue Ridge Mountains formed
How Did the Appalachians Form?

How Did the Appalachians Form?

Learn about the tectonic and faulting history that formed what is now the Appalachian Range