An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...
Far beyond our solar system, in the distant Pegasus constellation, lies a star system that is reshaping our understanding of planetary formation. HR 8799, located 129 light-years away, is home to a ...
Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...
Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
Jupiter, the largest planet in the solar system, isn’t exactly the size and shape scientists believed it was. New measurements from the Juno spacecraft show ...
NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...
Jupiter, long treated as the solar system’s fixed point of planetary normalcy, has just been knocked off that pedestal. New ...
“Textbooks will need to be updated,” study co-author Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science in Israel, said in a statement. “The size of Jupiter hasn’t changed, of ...