New research suggests Earth's Moon formed from the catastrophic collision of our planet with its \"sister\" planet, Theia, born nearby. This \"sibling\" p ...

They went through the isotope mixtures in Earth and lunar rocks instead of using highly technical models. They dabbled in ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

Scientists believe the moon was formed from the debris of a collision between Earth and the planet Theia, which was likely ...

Astronomers observed a white dwarf and subdwarf 4,000 light-years away, spiralling toward collision, testing Einstein's ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

According to researchers, the composition of a planet or celestial body holds the entire story of its formation and origin.

If you know any bit of information about how the moon was created, new research indicates that everyone has believed wrong.

A new scientific study is rewriting one of the most recognized origin stories in astronomy: how the Moon was formed may not ...