Physical Science Blog Rankings

	Blog	Category	Score	Posts/ Week
1.	Bad Astronomy	Physical Science	1000	23
2.	PhysOrg.com - latest science and technology news stories	Physical Science	727	561
3.	Cosmic Variance	Physical Science	606	8
4.	SPACE.com	Physical Science	597	42
5.	Universe Today	Physical Science	538	38
6.	symmetry magazine	Physical Science	326	2
7.	Next Big Future	Physical Science	287	36
8.	Uncertain Principles	Physical Science	262	19
9.	Hubble News	Physical Science	259	0
10.	Cocktail Party Physics	Physical Science	221	2
11.	SpaceRef Top Stories	Physical Science	209	88
12.	collectSPACE Today In Space History	Physical Science	189	3
13.	Cosmic Log	Physical Science	155	8
14.	NASA Watch	Physical Science	152	31
15.	International Space Fellowship SpaceFellowship	Physical Science	149	72
16.	Skulls in the Stars	Physical Science	138	4
17.	Orbiting Frog	Physical Science	137	1
18.	Centauri Dreams	Physical Science	133	5
19.	FemaleScienceProfessor	Physical Science	130	5
20.	A Quantum Diaries Survivor	Physical Science	123	0
21.	Noel O'Blog	Physical Science	121	1
22.	Out of the Cradle	Physical Science	113	5
23.	Swans on Tea	Physical Science	112	21
24.	Point of Inquiry	Physical Science	106	0
25.	Astronomy Cast	Physical Science	98	2
26.	About.com Chemistry	Physical Science	84	15
27.	Backreaction	Physical Science	76	3
28.	The Chem Blog	Physical Science	71	2
29.	Magma Cum Laude	Physical Science	69	1
30.	Physics and Physicists	Physical Science	69	8
31.	Lounge of the Lab Lemming	Physical Science	69	5
32.	The Reference Frame	Physical Science	68	13
33.	Dot Physics rhettallain	Physical Science	67	6
34.	The Sceptical Chymist - Blog Posts with Comments	Physical Science	67	6
35.	Depth-First	Physical Science	67	2
36.	The Space Review	Physical Science	65	4
37.	Space News From SpaceDaily.Com	Physical Science	64	56
38.	Colony Worlds	Physical Science	63	4
39.	NASASpaceFlight.com	Physical Science	62	6
40.	Astronomy.com blog	Physical Science	61	4
41.	About.com Geology	Physical Science	60	5
42.	Chemistry Blog	Physical Science	58	3
43.	chem-bla-ics	Physical Science	54	3
44.	Built on Facts	Physical Science	53	4
45.	The e-Astronomer	Physical Science	53	1
46.	The Volcanism Blog	Physical Science	52	7
47.	Faraday's Cage is where you put Schroedinger's Cat	Physical Science	52	5
48.	Tom's Astronomy Blog	Physical Science	50	8
49.	C&ENtral Science	Physical Science	50	4
50.	nanoscale views	Physical Science	49	3