The Planetary Society has released three short videos about the solar eclipse over the US on August 21st:

Bill Nye explains the basics of a solar eclipses, the path of totality, and how to safely view a solar eclipse with National Park Ranger Coral O’Riley.

Bill Nye loves syzygy and Dr. Ashwin Vasavada from JPL talks about a curious eclipse on Mars

Bill Nye explains how to see the Milky Way after a solar eclipse and Dr. Tyler Nordgren shows an ancient eclipse petroglyph.

And here is NASA initiative to involve the public in experimental solar science: Become a Citizen Scientist During Total Solar Eclipse | NASA