Science Impact Factor in 2026: Current JIF and What It Means for Submission Risk

Science (the journal, published by AAAS) has a Journal Impact Factor of 45.8 in JCR 2024. That puts it second only to Nature (48.5) among broad-scope research journals, and far ahead of most specialist titles. For researchers across biology, physics, earth sciences, and engineering, Science is one of two journals that genuinely defines a career.

The Numbers

Science vs Nature: The Real Difference

Science and Nature are the twin peaks of academic publishing, but they aren't identical.

In practice, the two journals overlap substantially. Biology papers that suit Nature also suit Science. The distinction matters more in physics and earth sciences, where Science has historically stronger representation.

What Science Publishes

Science is broad-scope by design. It publishes:

• Research Articles — full-length original research (up to ~4,500 words)
• Reports — shorter original research (up to ~2,500 words)
• Reviews — invited comprehensive reviews
• Perspectives — commissioned commentary on new findings
• Technical Comments — post-publication discourse

The common thread: the work must be significant enough that scientists outside your subfield would care.

What Gets Desk Rejected

~75% of submissions don't make it past the editors. The most common failure modes:

• Too specialized. Important work within a subfield, but not broadly interesting enough for Science's audience
• Incremental. Extends prior results without a conceptual advance
• Confirmation. Replicates expected results, even at higher resolution or scale
• Poorly framed. The broader significance exists but isn't articulated in the abstract or cover letter
• Wrong format. The question suits Science, but the paper is written like a specialist journal article

The Board of Reviewing Editors

Science uses a unique review model. The Board of Reviewing Editors (BRE) includes ~150 active scientists across disciplines. When a paper clears the desk, a BRE member evaluates it before it goes to external review. This creates an extra filter but also means your paper gets assessed by someone who understands your field.

Submission Strategy

1. Lead with the advance, not the method. Science wants to know what changed about our understanding, not how you measured it
2. Write for non-specialists. The abstract needs to work for a physicist reading a biology paper and vice versa
3. Cover letter matters. Explain in 2-3 sentences why this paper changes something outside your immediate field
4. Consider a presubmission inquiry. Science accepts brief inquiries that can save months
5. Word limits are real. Reports at ~2,500 words force concise writing. Don't try to cram a Research Article into Report format

After Science: Where Strong Papers Go

Many papers rejected from Science end up in Science Advances (IF 12.5), which has the same publisher and a significantly higher acceptance rate.

More Resources

• Science Advances impact factor
• Science Advances submission process
• Nature acceptance rate
• What is impact factor?
• How to avoid desk rejection