The majority of stars in our galaxy are home to planets. The most abundant are the sub-Neptunes, planets between the size of Earth and Neptune. Calculating their density poses a problem for scientists ...

A model of Neptune showing depths where the newly discovered, body-centered-cubic superionic Ice XIX could exist. It may explain Neptune’s multi-polar magnetic field (purple) due to increased ...

TEMPE, Ariz. a Quick: What’s the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: “My Very Educated Mother Just Served Up Nine Pizzas.” It’s ...

Humankind is seeing Neptune’s rings in a whole new light thanks to the James Webb Space Telescope. In an infrared image released September 21, Neptune and its gossamer diadems of dust take on an ...