There are a total of three days this summer when the moon will be around its furthest distance from Earth’s equator, ...

Tuesday, July 22, is expected to be the second of three days in 2025 where more than a millisecond could be shaved off the ...

Here, I made the Earth and the moon spheres with their positions as shown. I put the Earth at the location (0, 0, 0) meters. This is at the origin of the universe as was originally intended.

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.

The sun and moon are constantly changing positions in the sky because of the Earth’s tilt and the moon’s orbit. But they have not diverged from what astronomers expect. The Earth has two types ...

July 22 is one of the shortest days in history due to Earth spinning faster. The shortest day in history is coming up next ...

Equatorial plane The Sun-Earth-Moon system are constantly at play, but Earth and its lunar satellite are a bit more intimate — with a center of mass, or barycenter, 2,900 miles (4,600 km) from ...

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.