Jupiter, the largest planet in our Solar System, has just gotten a bit smaller, at least according to the latest data. New ...

New measurements show Jupiter is slightly smaller and flatter, improving models of its interior and atmosphere.

According to the new data, Jupiter's radius measures 71,488 kilometers (44,421 miles) at its equator, and the planet rises 66 ...

The balloon-based EXCITE mission measures infrared phase curves of hot Jupiter exoplanets to map temperature and atmospheric composition from long-duration Antarctic flights.

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our understanding of exoplanet atmospheres," according to the Hubble team. Credit: ...

Thanks to new data from the Juno mission to Jupiter, we have discovered that the planet is slightly smaller than previously thought, and more oblate.

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants. Reading time 3 minutes Jupiter’s moon Io is covered in hundreds of ...