National Solar Observatory (NSO)

NSO is funded by the National Science Foundation. Their eclipse section is awesome! Learn about eclipse science, eclipse safety, and see a comprehensive list of eclipse resources.

EclipsoPhile

Private site by Jay Andersen. Has tons of information on weather conditions for celestial events. See his page on the Spanish eclipse in 2026 for cloud cover maps, data tables, analyses and more.

He makes the whole site available to the public, without copywrite restrictions.

MrEclipse.com

Private site by Fred Espenak. Has of detailed information on solar and lunar eclipses, partial and fill, past and future. Includes a nice introductory page regarding eclipse science and a section specific to the 12 Aug 2026 eclipse event.