A closer look at previously disregarded observations reveals stronger evidence that a deep ocean lies beneath Callisto’s icy surface.
Jupiter
Posted inNews
Io Probably Doesn’t Have a Global Magma Ocean After All
Data from the Juno spacecraft may have answered a decades-old question about Jupiter’s moon.
Posted inNews
Clipper Sets Sail for an Ocean Millions of Miles Away
Europa Clipper will assess whether Jupiter’s moon has the right ingredients to host life, and could illuminate the mysteries of icy worlds throughout the solar system.
Posted inResearch Spotlights
All Eyes on Jupiter
Astronomers hope amateur enthusiasts will help them monitor Jovian weather.
Posted inEditors' Highlights
Unveiling the Origins of Dome Craters on Ganymede and Callisto
Large craters with broad central domes are a unique crater morphology on Jupiter’s largest icy moons: Ganymede and Callisto. A new study examines how remnant impact heat may lead to their formation.
Posted inResearch Spotlights
Supersharp Images Reveal Scars of Major Eruption on Io
Jupiter’s volcanic moon is captured in exquisite detail by an instrument atop a mountain in Arizona.
Posted inResearch Spotlights
Jupiter’s Magnetosphere Has a Semi-Open Relationship with the Solar Wind
Computer simulations and data from NASA’s Juno mission reveal information about the relationship between solar wind and Jupiter’s massive magnetosphere.
Posted inEditors' Highlights
Gas Giants with Fuzzy Cores
New measurements of Jupiter and Saturn show that both planets have dense cores that are gradational (fuzzy) and large, rather than small and compact.
Posted inResearch Spotlights
科学家研究木卫二的热量如何通过海洋向上传递
木星的卫星木卫二可能是太阳系中最有希望寻找到生命的地方之一。一项新的研究探讨了热量是如何从木卫二的地幔通过海洋转移到其冰壳中的。