Astronomers at UNC-Chapel Hill have found one of the youngest known planets in the galaxy.

The planet IRAS 04125+2902 b, or TIDYE-1b, is about three million years old. Compared to Earth at 4.5 billion years old, that's like discovering a two-week-old infant.

https://www.wunc.org/news/2024-12-06/unc-astronomers-baby-planet