The idea of artificially lowering the planet’s temperature is gaining supporters and hitting political opposition.

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

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

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's ...

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

As 2026 approaches, numerology reveals it as the 'Year of the Sun' (Number 1), signifying new beginnings, leadership, and ...

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

By measuring iron isotopes in Moon rocks and meteorites, researchers determined Theia probably formed closer to the Sun than ...

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

Astronomers using the European Space Agency's XMM-Newton space observatory and the LOFAR telescope have definitively spotted ...

The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...