Williams points out that if the Moon formed from collision debris, it should orbit above Earth's equator. Instead, its orbit aligns more closely with the Sun than Earth's equatorial plane.

The tool models the sun using AI, and its developers say it can anticipate solar flares 16 percent more accurately and in ...

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.

NASA and Google have created the Crew Medical Officer Digital Assistant, or CMO-DA, to help astronauts manage medical ...

A new simulation reveals an alternative explanation for the moon's formation. The moon is thought to have formed following a collision between Earth and a Mars-sized object, called Theia. But now ...

The moon was much closer then, computer simulations indicate, and the Earth spun so fast the sun rose and set every 6 hours. The moon trailed behind us in our orbit, tugging at our planet like a ...