Why the Moon Passes Between the Sun and Earth Published Aug 21, 2017 at 10:23 AM EDT Updated Aug 21, 2017 at 10:57 AM EDT A total eclipse of the sun, observed by the Harvard College Observatory in ...

Eclipses occur when the Earth, moon and sun line up. A total solar eclipse will pass over the U.S. on the afternoon of April 8, cutting a narrow path across 13 states from Texas to Maine.

Learn why the upcoming July 2025 full moon is called the Buck Moon and why it's different from every other full moon.

As of Sunday, July 6, the moon phase is Waxing Gibbous. According to NASA's Daily Moon Observation, 83% of the moon will be lit up and visible to us on Earth. This is day 11 of the lunar cycle, and we ...

Learn the differences between our Earth, the Sun and the Moon. Then explore how together they create day and night and our different seasons with their orbits.

Fact check: Flat Earth claim based on gas pressure fails to account for gravity's impact. Researchers have confirmed the sun and moon's actual sizes and positions in space through various ...

The gravitational interactions between the Earth, the Moon and the Sun could be causing tectonic plates to move, scientists say (Getty/iStockphoto) ...

Let's say we want to build a model of the sun and Earth alone. Earth has a radius of about 6,371 kilometers (3,959 miles), but let's represent this with a marble 1 centimeter in diameter.

In May 2017, a fantastical image showing the sun and moon between two trees ... the other times the Earth's shadow is either too high or too low to touch the moon.