"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

The sun's gravity will pull the moon farther away from Earth than it's been in over five years on Nov. 19, though it'll be ...

“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...

For the next half-century, Earth will have a new celestial companion. A small asteroid, officially designated 2025 PN7, has ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

Something called a "quasi-moon" was discovered in August, and now many are wondering if we should count our new neighbor as a ...

The next full moon will be the last supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...

The next full moon will be the closest supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...