Theia impact, with the Sun in the background, illustrating the idea that Theia originated close to the Sun. Image ...

PUNCH’s observations of comet 3I/ATLAS from Sept. 28 to Oct. 10, 2025, when the comet was between 231 million to 235 million ...

A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from ...

Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

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

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

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

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

The object that created the Moon by colliding with the Earth might also have been its neighbour, researchers suggest ...

Stardock has a massive Sins of a Solar Empire II update incoming that aims to overhaul the diplomacy system, improve AI ...

The next Sins of a Solar Empire update is all about Diplomatic Repercussions, so expect big enemy AI improvements and key ...