The ongoing controversy surrounding the safety of glyphosate, the active ingredient in the weed killer Roundup, has led to a series of investigations and rejections of scientific papers. Taylor & Francis is currently investigating two papers on glyphosate safety, following claims that they were ghostwritten by the company that developed the herbicide, Monsanto. This comes on the heels of a similar investigation by Elsevier, which retracted a paper linked to court documents revealing Monsanto employees wrote the article without being named as co-authors. The authors of the two latest papers under scrutiny deny any ghostwriting occurred, but the implications are significant. The controversy highlights the potential for conflicts of interest in scientific research, particularly when corporate entities have a vested interest in the outcome. The debate over glyphosate's safety is further complicated by the differing opinions of critics and supporters, with some arguing it is carcinogenic and others contending it is safe. The U.S. Supreme Court is currently weighing whether states can hold companies liable for failing to include cancer warnings on products containing glyphosate. The two papers in question, led by toxicologists Helmut Greim and Larry Kier, respectively, support the safety of glyphosate. However, researchers Alexander Kaurov and Jason MacLean have urged Critical Reviews in Toxicology to request retraction of these papers, citing concerns about ghostwriting and potential conflicts of interest. The retraction of the Williams paper, which was also linked to Monsanto, remains a subject of intense debate, with a group of 66 researchers calling for its reinstatement. The controversy underscores the need for rigorous peer review and transparency in scientific research, especially when corporate entities are involved. As the investigation continues, the future of glyphosate regulation and the credibility of scientific studies may hang in the balance.