It's solar eclipse day! Millions of Americans will be in the "path of totality", a 70-mile zone where the moon will block out the sun entirely. ABC News will air a special report Monday, featuring ...

NASM copy purchased with funds from the S. Dillon Ripley Endowment. Contents 1. The experience of totality -- 2. The great celestial cover-up -- 3. Ancient efforts to understand -- 4. Eclipses in ...

This was the big one. Nearly seven years after totality crisscrossed the U.S. in August 2017, the Moon once again slipped in front of the Sun in the skies above North America on April 8, 2024. Making ...

The Great American Eclipse on Monday, Aug. 21 is the first total solar eclipse to cross the continental United States from coast to coast in nearly 100 years. NASA data visualizer Ernie Wright ...

In 2017, we experienced the first Great American Eclipse. Seven years later, the U.S. is once again in the path of another cross-country solar eclipse. In this episode we’ll help you decide what the ...