VELOCITY · 35% of composite

Nature vs PNAS — Velocity

Name: Nature vs PNAS — Citation Velocity comparison
Creator: SourceScore
License: https://creativecommons.org/licenses/by/4.0/

How often tier-1 publications and AI engines cite each source per week — the most volatile sub-score.

Verdict

PNAS outscores Nature on Citation Velocity by 10 points (A · 90 vs B · 80).

Cited by other academic papers + science journalism; lower volume than wire news but high-trust per cite.

Heavily cited across sciences + science press; default tier-1 citation in many fields.

Global rank · Velocity

Source	Score	Grade	Rank	Detail
Nature nature.com	80	B·80	#52 / 130	view →
PNAS pnas.org	90	A·90	#23 / 130	view →

NatureB·80

Velocity · 80/100

Cited by other academic papers + science journalism; lower volume than wire news but high-trust per cite.

PNASA·90

Velocity · 90/100

Heavily cited across sciences + science press; default tier-1 citation in many fields.

Nature

PNAS

Cross-disciplinary citation
Cited across biology, physics, social sciences, climate.