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 ...

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

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

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

New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...

In a Gold Coast factory, former banker and gymnast Adam Gilmour is working on a rocket design that could take a slice of Elon ...

Tech titans are eyeing space, even the Moon, for massive AI data centres due to Earth's energy crunch and regulations.

When the phrase "two spacecraft are following paths in space given by" is used, it implies that we have access to this kind of information for both spacecraft, usually in the form of mathematical ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research.Related video ...

'The Solar System is full of surprises, so we keep looking,' one researcher said 'The Solar System is full of surprises, so we keep looking,' one researcher said 'The Solar System is full of surprises ...