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

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

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

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

New research shows that Theia, the planet that collided with Earth and formed the Moon, was a rocky world born closer to the ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

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

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

The study showed that Enceldus’ conditions hold the most promise for sustaining life. The research team predicts that the ...

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...