Jupiter hasn't shrunk, but our best measurement of it just did. Using fresh data from NASA's Juno spacecraft, scientists say the solar system's largest planet is slightly...
Still, "textbooks will need to be updated," says study co-author Yohai Kaspi of the Weizmann Institute of Science in Israel, in a statement. Earlier measurements came from NASA's Voyager and Pioneer missions in the 1970s, which used a technique known... [811 chars]