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 ...

Scientists are reconsidering old information about Uranus. NPR's Scott Simon explains the problem with photos taken of the ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk ...

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

Some minerals in lava could suggest water is nearby.

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

NASA’s Voyager 2 flyby of Uranus decades ago shaped scientists’ understanding of the planet but also introduced unexplained oddities. A recent data dive has offered answers. In 1986, Voyager 2's flyby ...

It must have cleared all other celestial bodies, except its own moons, from its orbit.

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that ...

In 1986, NASA’s Voyager 2 flyby of Uranus shaped scientists’ understanding of the planet but also introduced unexplained ...

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...