Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

The solar system as we know it began life as a vast, swirling cloud of gas and dust, twisting through the universe without direction or form. About 4.6 billion years ago, this gigantic cloud was ...

We're showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

When the solar system formed, rocks (and other dense, heavy materials in the dust cloud such as iron and uranium) tended to gather closer to the Sun, and these materials combined together to form ...

We’re showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

MIT researchers analyzed precious samples from the asteroid Ryugu, delivered to Earth by Japan’s Hayabusa2 mission. They ...

"One of the big questions in star and planet formation is: How much of the chemical inventory from that early molecular cloud is inherited and forms the base components of the solar system?