Moon’s precursor planet, Theia, disappeared billions ago, leaving scientists no direct chemical evidence to support the ...

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

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

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

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

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

The sun is believed to be 4.6 billion years old, but how long this glorious plasma ball exactly took to form is still unknown. A team of international researchers has found the answer to this question ...

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 ...