LIVE NOW: Watch #EclipseAcrossAmerica before it's over!

Watch, read, and be inspired. Plus, a special offer just for you. [SOLAR ECLIPSE LIVE COVERAGE | TUNE IN NOW]( [VIEW ONLINE]( [SOLAR ECLIPSE LIVE COVERAGE | TUNE IN NOW]( [WATCH LIVE NOW]( #EclipseAcrossAmerica, an [unprecedented event]( broadcasting the rare total eclipse, is live now on ABC, ABC News Live, National Geographic Channel, Nat Geo Wild, Disney+, and Hulu! PHOTOGRAPH BY MARCUS YAM, LOS ANGELES TIMES/GETTY [Learn the difference between total and partial solar eclipses]( Through the ages, the sudden darkening of the sun has been seen as a signal of the displeasure of the gods or an omen of bad things to come. But once astronomers figured out how solar eclipses worked, they became events to be studied and celebrated. [NOT OMENS JUST SCIENCE]( PHOTOGRAPH BY BERTIE GREGORY, NATIONAL GEOGRAPHIC [Surprising ways animals react to solar eclipses]( Many will likely experience the [extreme psychological responses]( that this awe-inspiring phenomenon tends to provoke in humans. But according to biologists, humans won’t be the only ones reacting to the dramatic changes in the sky. [DAY TO NIGHT]( PHOTOGRAPH BY AGUNG KUNCAHYA B./XINHUA/REDUX [Here's how to watch the solar eclipse safely]( Sun damage to eyes can happen in minutes, but effects might not be clear until hours later. The sun shines so brightly that even from 93 million miles away it can permanently damage your eyes—which is why you are never supposed look directly at the sun. [PROTECT YOUR VISION]( [SHOP]( [DONATE]( [SUBSCRIBE]( [TRAVEL]( [READ OUR LATEST STORIES]( [SHOP]( [DONATE]( [SUBSCRIBE]( [TRAVEL]( [Clicking on]( the Facebook, Twitter, Instagram, and National Geographic Channel links will take you away from our National Geographic Partners site where different terms of use and privacy policy apply. This email was sent to: {EMAIL}. Please do not reply to this email as this address is not monitored. This email contains an advertisement from: National Geographic | 1145 17th Street, N.W. | Washington, D.C. 20036 [Stop all types of future commercial email]( from National Geographic regarding its products, services, or experiences. © 2024 National Geographic Partners, LLC, All rights reserved. [Clicking on]( the Facebook, Twitter, Instagram, and National Geographic Channel links will take you away from our National Geographic Partners site where different terms of use and privacy policy apply. This email was sent to: {EMAIL}. Please do not reply to this email as this address is not monitored. This email contains an advertisement from: National Geographic | 1145 17th Street, N.W. | Washington, D.C. 20036 [Stop all types of future commercial email]( from National Geographic regarding its products, services, or experiences. [Manage all email preferences]( with the Walt Disney Family of Companies. © 2024 National Geographic Partners, LLC, All rights reserved.