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 ...

Solar and cosmochemical data indicate high levels of carbon, nitrogen, and oxygen in the Sun. Researchers have unveiled a new ...

The movements of the planets in the Solar System are pretty difficult to get your head around, even before we get started on ...

The spacecraft Juno just finished its 66th trip around Jupiter, sending back some of the highest-resolution images we’ve seen ...

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