Illinois-based Surgisphere Corporation had a brief moment in the limelight this year following its infamous study of hydroxychloroquine. But the impact of the company’s deception reverberated across world.

The high-profile retractions of two COVID-19 studies stunned the scientific community earlier this year and prompted calls for reviews of how science is conducted, published, and acted upon. The warning signs had been there all along.

A journal is forced to remove a record-breaking number of papers—and all in one go.

Papers from Catherine Verfaillie’s lab have been drawing fire for years.

A study estimates that 0.15 percent of genetics articles are retracted, most commonly for duplication and plagiarism.

The manuscript had amassed more than 50 comments about problematic figures and data on PubPeer.

Problems with Brian Wansink’s research articles surfaced in 2017 and have now resulted in 13 retractions total.

Nine of the most recent retractions from AACR journals are for papers coauthored by embattled cancer researcher Bharat Aggarwal.

The authors of a preprint recommend that journals implement better image screening procedures before publishing articles.

Robert Ryan was forced to resign from the University of Dundee in 2016 following an investigation of misconduct.

Ching-Shih Chen’s research involved anticancer therapeutics that were being tested in clinical trials.

Making the list: a journal breaks a retraction record, Nobel laureates Do the Right Thing, and Seinfeld characters write a paper 

The group calls for the retraction of six publications by surgeon Paolo Macchiarini regarding the synthetic trachea transplantations that led to the death of at least three patients. 

Scientific misconduct motivated Yoshihiro Sato’s three additional retractions last month; his institution doesn’t respond. 

Authors of rescinded papers see a 10 percent to 20 percent decline in citation rates for their other publications. 

Several initiatives aim to improve research integrity in the country, but recent high-profile cases of misconduct highlight a lingering problem.

A look at this year’s most memorable retractions

Springer Nature pulls 58 articles in one fell swoop, citing plagiarism and authorship manipulation, among other things.

A lawsuit claims that Duke University and biologist Erin Potts-Kant used bad data in projects funded by dozens of government grants.