Kimi Antonelli is in the news because he has become Formula 1’s newest world champion at barely 20 years of age. According to the article, Kimi has rewritten the record books with this achievement. The article does not provide further details on what specific records he has broken or how he achieved this milestone. It only mentions that he has become the world champion, which is a notable accomplishment in the Formula 1 world. The article does not provide information on what team or car Kimi drives, or what his previous experience in Formula 1 was. It simply highlights his achievement as a world champion at a young age.