I was thinking of a different one, an article in New Scientist. The full title of the article is apparently "Darwin was Wrong About the Tree of Life", but the cover much more prominently featured "Darwin was Wrong". [1] [2]

[1] https://www.newscientist.com/article/mg20126921-600-why-darw...

[2] https://www.newscientist.com/issue/2692%20/