VELOCITY · 35% of composite

PNAS vs Science — Velocity

Name: PNAS vs Science — 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 Science on Citation Velocity by 10 points (A · 90 vs B · 80).

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

Cited by science journalism + research; lower volume but high per-cite trust.

Global rank · Velocity

Source	Score	Grade	Rank	Detail
PNAS pnas.org	90	A·90	#23 / 130	view →
Science science.org	80	B·80	#53 / 130	view →

PNASA·90

Velocity · 90/100

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

ScienceB·80

Velocity · 80/100

Cited by science journalism + research; lower volume but high per-cite trust.

PNAS

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

Science