The article is a good summary of the original scientific article and state-of-the-art. There is a typo on the number of penguins tracked, they are 17000 and not 19000.

The link to the article is: https://www.science.org/doi/full/10.1126/sciadv.aea6342

This article clearly explains the phenomenon and points out the uncertainties in the future. However, the original paper is difficult to find for the public. The link of the original paper is https://www.science.org/doi/full/10.1126/sciadv.aea6342