Space in Science Newsletter Trends
In September, several emerging topics have taken off in the space in science space. Leading the charge is Artificial Intelligence, with 299 mentions and steady newsletter coverage.
TOP SPACE IN SCIENCE TRENDS - UPDATED SEPTEMBER 2026
20 Results
1
Artificial Intelligence
topicDeclining Growth
299
Mentions
-30.11%
Growth
91
Score
2
Business Automation
topicGrowing Growth
222
Mentions
+1.82%
Growth
93
Score
3
Cybersecurity
topicGrowing Growth
193
Mentions
+14.44%
Growth
77
Score
4
Startup & Funding
topicGrowing Growth
170
Mentions
+26.67%
Growth
83
Score
5
Cloud & Infrastructure
topicGrowing Growth
83
Mentions
+12.82%
Growth
94
Score
6
Data & Analytics
topicDeclining Growth
62
Mentions
-36.84%
Growth
82
Score
7
Large Language Models
topicDeclining Growth
56
Mentions
-35.29%
Growth
86
Score
8
Software & Programming
topicGrowing Growth
50
Mentions
+8.33%
Growth
97
Score
9
Reinforcement Learning
topicDeclining Growth
47
Mentions
-53.12%
Growth
83
Score
10
Cryptocurrency
topicExploding Growth
43
Mentions
+1233.33%
Growth
93
Score
11
Enterprise Software
topicExploding Growth
42
Mentions
+100%
Growth
88
Score
12
Fitness & Exercise
topicPeaked Growth
38
Mentions
96
Score
13
Healthcare & Medicine
topicDeclining Growth
28
Mentions
-78.26%
Growth
87
Score
14
AI Agents
topicPeaked Growth
26
Mentions
-14.29%
Growth
66
Score
15
beehiiv
topicPeaked Growth
26
Mentions
41
Score
16
BAN archives
topicPeaked Growth
26
Mentions
41
Score
17
Premium Membership
topicPeaked Growth
26
Mentions
41
Score
18
Synthetic Data Generation
topicDeclining Growth
24
Mentions
-40%
Growth
100
Score
19
Generative AI
topicDeclining Growth
24
Mentions
-50%
Growth
75
Score
20
Premium Content
topicPeaked Growth
24
Mentions
42
Score
Trending Topics
Space in Science Overview
Active Trends20
Total Mentions1,509
Growing7
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Space in Science Trends FAQ
What are the most popular space in science topics in newsletters?
We track space in science trends across 500+ newsletters. The most discussed topics are ranked by total mentions and growth velocity.
How often is space in science trend data updated?
Data is updated weekly as new newsletter issues are published. Growth rates and velocity scores are recalculated with each update.
What do the growth metrics mean?
Growth rate compares mentions in the last 30 days vs. the prior 30 days. Velocity measures 7-day acceleration. "Breakout" means a topic is surging with high velocity and growth.
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