Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

The James Webb Telescope measured a potential moon-forming disk encircling an exoplanet, NASA recently announced, inviting researchers to observe and study moon formation as it happens, while ...

The researchers analyzed lunar samples that had remained unopened since they were collected by Apollo 17 astronauts in 1972. Using state-of-the-art techniques, they discovered a new exotic sulfur that ...

Two primary theories explain planetary moon formation: gravitational capture within a planet's Hill sphere radius and simultaneous formation with the solar system during its accretion disk phase. A ...

Pandora Dewan is a Senior Science Reporter at Newsweek based in London, UK. Her focus is reporting on science, health and technology. Pandora joined Newsweek in 2022 and previously worked as the Head ...

The Moon has long been the Earth's close companion, but researchers have struggled to understand exactly when the moon formed, because tiny crystals in the moon rocks brought home by astronauts ...

The conventional explanation for the moon's formation is that an enormous rock smashed into the nascent Earth and created it as a result. A new theory challenges the particulars of how events may have ...