"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 ...

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

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

New research shows that Theia, the planet that collided with Earth and formed the Moon, was a rocky world born closer to the ...

The sun’s gravity would be pulling the moon away from Earth on November 20, 2025, at a distance that it had never been in the ...

Losing the Moon would shrink tides, disrupt coastal ecosystems, affect nocturnal predators, and destabilize Earth’s tilt, ...

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

As of Thursday Nov. 20, the moon phase is New Moon. This means 0% of the moon is lit up tonight, according to NASA's Daily ...

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 ...