"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 ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

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

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

Researchers from the Max Planck Institute for Solar System Research led the study. They examined iron isotopes in 15 Earth ...

To our best of our understanding, the Moon formed from Earth following a colossal impact. A Mars-sized world we nicknamed ...