Masks and vaccinations are recommended. Plan your visit
Get ready for the August 21, 2017 total solar eclipse.
Explore webcasts, stories, dispatches, photos, and articles of total and annular solar eclipses and transits.
¡Descubre la “coincidencia cósmica” que hace posible los eclipses solares!
¡Haz un modelo a escala de un eclipse solar total!
¡Usa el pulgar para eclipsar a tu amigo!
Un anillo de luz representa al Sol.
Observa nuestra estrella más cercana de manera segura.
Use your thumb to eclipse your friend!
Make a scale model of a total solar eclipse!
Discover the “cosmic coincidence” that makes solar eclipses possible!
A ring light stands in for the Sun.