How to tell if a journal article is fake

Stop checking the article and start checking the journal. Take the journal's name, find its ISSN, and look that ISSN up in the ISSN Portal to see which website the record actually points to. Then ask whether anyone indexes it and whether its editorial board is made of real, findable people. When an article looks strange, the answer almost always lives one level up, in the venue that published it.

This page is about that question: the paper exists and you can open it, but is the journal real scholarship? If you cannot find the article at all, that is a different problem and the citation verification routine handles it. Everything below assumes the article is right there in front of you.

Three ways a venue fails

People say "fake journal" and mean one of three quite different operations. Telling them apart matters, because the check that catches one misses the others entirely.

Predatory journals: the review never happened

A predatory journal is a real publication with a real website that takes a fee and publishes more or less anything, without meaningful peer review. Nothing about it is forged. The article exists, the DOI resolves, the PDF has page numbers. The problem is that nothing vouched for the content, so citing it lends your argument no more weight than citing a blog post with footnotes.

The single cheapest tell is turnaround. Many of these journals print "received" and "accepted" dates on the article itself. Genuine peer review in most fields takes weeks to months. Received on the 3rd, accepted on the 9th, published on the 14th is not review, it is invoicing.

A publication fee proves nothing on its own. Article processing charges are routine in open access, including at journals nobody would question. The fee only becomes a signal when it arrives with the rest of the symptoms.

Hijacked journals: the website is the forgery

This is the one that catches careful readers. A hijacked or cloned journal is a fraudulent site that copies a legitimate journal's title, ISSN and branding, then sells publication in what looks like the real thing. The journal being impersonated is genuine and often respectable. The site you are on is not, and neither is the article you are reading.

Retraction Watch maintains the Hijacked Journal Checker, compiled by researcher Anna Abalkina, which lists cloned journals alongside the originals they impersonate. It passed 400 entries in December 2025. Retraction Watch has also documented hijacking operations aimed at major publishers, so this is not a problem confined to obscure titles. Clones tend to target niche and university journals whose real sites are less familiar, which is exactly why an unfamiliar-looking site is not evidence of anything by itself.

The check: the ISSN Portal record tells you the journal's real home. If two websites claim the same ISSN, the one that is not on the publisher's own domain is the clone.

Paper mills: real journal, manufactured content

Paper mills sell ready-made manuscripts and authorship slots. The output is a genuine article in a genuine journal, sometimes a well-indexed one, whose data, images or author list were produced to order. Every surface check passes, which is what makes this the hardest of the three.

COPE and STM's joint research report analysed data from six publishers covering more than 53,000 submitted papers and put suspected paper-mill submissions at around 2% overall, rising far higher in the specific journals being targeted. Nature has covered the sleuths working to shut these networks down.

You are not going to identify a paper mill from the reference alone, and as a student nobody expects you to. What you can do is read the paper. Mill output tends to be oddly generic: results that never quite connect to the methods, boilerplate phrasing, a reference list padded with loosely related work, a topic chosen because it is easy to fake rather than because anyone needed the answer. A paper that seems to be about nothing in particular is a reason to find a better source, not a puzzle to solve.

The five-minute venue check

Run this on any journal you do not already know. It is the same routine whether you are choosing what to cite or double-checking something you already cited.

1. Find the journal's real home. Look up the ISSN in the ISSN Portal and compare the registered site against the one you are on. Then find the journal in the publisher's own journal list. Real titles are reachable from their publisher's front door.
2. Check who indexes it. Curated lists mean something; broad crawlers do not. For open access, DOAJ admits journals only against published criteria. For indexing generally, look at the Web of Science Master Journal List and Scopus's source list. For biomedicine, check the NLM Catalog to see whether the journal is indexed for MEDLINE. Absence from all of them is not proof of anything, but it moves the burden of proof onto the journal.
3. Verify two editors. Do not read the whole board, just pick two names and look them up. Do they exist, do they work where the journal says, do they publish in this field, and does their own page mention the editorship? Fabricated and non-consenting editorial boards are common enough that this check earns its keep.
4. Read the policies, not the marketing. Does the journal describe an actual peer review process, state its fees before submission, and publish a policy on corrections and retractions? The checklist at Think. Check. Submit. was written for researchers choosing where to publish and works just as well in reverse. Membership of COPE is a positive signal, and it is checkable rather than a claim on a homepage.
5. Look at the article's own dates. Received, revised, accepted, published. The gaps tell you whether anything happened between submission and publication.

Five minutes, once per unfamiliar journal. You will find that the answer is usually obvious by step two.

What ungated venues publish now

The reason to care about venue more than you used to: when nothing gatekeeps, the content follows. Researchers writing in the Harvard Kennedy School Misinformation Review identified 139 papers showing signs of undisclosed GPT use, with the large majority sitting in non-indexed journals, preprint servers and repositories, all of it reachable through Google Scholar. Their concern was that this material lands on contested topics such as health and the environment, where it can be cited into arguments that look evidence-backed.

Two practical lessons. Being findable in Google Scholar says nothing about whether a venue vets anything, because Scholar indexes broadly by design. And checking a handful of an article's own references is a fast, underrated venue test: journals that publish without review also publish bibliographies that do not resolve.

When a venue fails the check

Look for a better source that supports the same point. Most of the time one exists and swapping it in costs ten minutes. If the claim survives only on the questionable source, that is worth noticing: a point that no reputable venue supports is usually a point that needs rewriting rather than a citation that needs finding, and the search-and-rewrite procedure covers how to do that honestly.

Two adjacent questions this check does not answer. Whether the paper still stands, which is a retraction check and takes ten seconds. And whether the paper actually supports your sentence, which is the failure that survives every venue check ever devised and which we go deep on in when a source says something else. A perfectly legitimate journal will happily publish a paper that does not say what you cited it for.

Avoiding the question entirely

The reliable defence is the route you take to a source. Sources found through your library's databases, through a well-established journal, or through the reference list of work you already trust, arrive pre-filtered. Sources that arrive as a link in a chat window do not, and that includes links to real pages, because a model recommending a paper has no view on whether the journal that published it does peer review. Our guides to finding peer-reviewed articles and judging source credibility cover the routes that do the filtering for you.