Due in part to some cosmic geometry, the Moon will momentarily obscure the Sun and cast a lunar shadow across ... crossed the entire continent. The 2017 eclipse will also mark the first solar ...

On Aug. 21, a rare total solar eclipse will be visible from a narrow region spanning the United States. Although the path of totality will only be visible along a narrow portion of the country ...

A lunar eclipse happens when Earth's shadow is projected ... on Monday, August 21, 2017. (David Carson/St. Louis Post-Dispatch/Tribune News Service via Getty Images) A perfect alignment of sun ...

which relied on the Lunar Reconnaissance Orbiter (LRO) to properly account for the Moon's shape. "Beginning with the 2017 ...

The great American solar eclipse is over. In case you missed it, here are highlights pulled from NASA's livestream of the historic event. NASA set up stations across the country to capture ...

It's been 99 years since a total solar eclipse crossed the country from the Pacific to the Atlantic. On the map below, you can navigate your way to the closest spot that will see a total eclipse.

The Great American Eclipse of August 2017 spurred a mass migration of totality-chasers, and local businesses were ready to cash in on the unprecedented influx of tourism. Snake River Brewing ...

A stunning lunar eclipse unfolded across four continents on Monday night, making the moon appear red in some places. Eclipses happen when the Earth passes between the sun and the moon, casting a ...