Top 20 Most Popular Science Websites

1 | howstuffworks
432 - eBizMBA Rank | 12,000,000 - Estimated Unique Monthly Visitors | 377 - Compete Rank | 140 - Quantcast Rank | 778 - Alexa Rank.

2 | NOAA
520 - eBizMBA Rank | 10,000,000 - Estimated Unique Monthly Visitors | 304 - Compete Rank | 181 - Quantcast Rank | 1,074 - Alexa Rank.

3 | Discovery
554 - eBizMBA Rank | 9,400,000 - Estimated Unique Monthly Visitors | 249 - Compete Rank | *365* - Quantcast Rank | 1,048 - Alexa Rank.

4 | NASA
580 - eBizMBA Rank | 8,900,000 - Estimated Unique Monthly Visitors | 658 - Compete Rank | 329 - Quantcast Rank | 752 - Alexa Rank.

5 | ScienceDirect
967 - eBizMBA Rank | 4,500,000 - Estimated Unique Monthly Visitors | 1,089 - Compete Rank | 840 - Quantcast Rank | 973 - Alexa Rank.

6 | ScienceDaily
1,669 - eBizMBA Rank | 2,400,000 - Estimated Unique Monthly Visitors | 1,533 - Compete Rank | 717 - Quantcast Rank | 2,757 - Alexa Rank.

7 | nature
2,236 - eBizMBA Rank | 1,800,000 - Estimated Unique Monthly Visitors | 2,004 - Compete Rank | 1,579 - Quantcast Rank | 3,126 - Alexa Rank.

8 | treehugger
2,242 - eBizMBA Rank | 1,700,000 - Estimated Unique Monthly Visitors | 2,673 - Compete Rank | 1,568 - Quantcast Rank | 2,486 - Alexa Rank.

9 | PopSci
2,751 - eBizMBA Rank | 1,400,000 - Estimated Unique Monthly Visitors | 1,481 - Compete Rank | 1,474 - Quantcast Rank | 5,299 - Alexa Rank.

10 | ScienceBlogs
3,003 - eBizMBA Rank | 1,250,000 - Estimated Unique Monthly Visitors | 1,710 - Compete Rank | 2,706 - Quantcast Rank | 4,594 - Alexa Rank.

11 | PhysOrg
3,068 - eBizMBA Rank | 1,200,000 - Estimated Unique Monthly Visitors | 2,016 - Compete Rank | 2,015 - Quantcast Rank | 5,173 - Alexa Rank.

12 | NewScientist
3,617 - eBizMBA Rank | 1,000,000 - Estimated Unique Monthly Visitors | 4,529 - Compete Rank | 2,276 - Quantcast Rank | 4,046 - Alexa Rank.

13 | LiveScience
3,672 - eBizMBA Rank | 950,000 - Estimated Unique Monthly Visitors | 2,914 - Compete Rank | 2,927 - Quantcast Rank | 5,175 - Alexa Rank.

14 | Space
4,722 - eBizMBA Rank | 750,000 - Estimated Unique Monthly Visitors | 3,565 - Compete Rank | 3,800 - Quantcast Rank | 6,802 - Alexa Rank.

15 | Scientific American
5,034 - eBizMBA Rank | 700,000 - Estimated Unique Monthly Visitors | 5,008 - Compete Rank | 2,394 - Quantcast Rank | 7,699 - Alexa Rank.

16 | RedOrbit
5,286 - eBizMBA Rank | 600,000 - Estimated Unique Monthly Visitors | 2,182 - Compete Rank | 488 - Quantcast Rank | 13,188 - Alexa Rank.

17 | ScienceMag
5,940 - eBizMBA Rank | 550,000 - Estimated Unique Monthly Visitors | 4,391 - Compete Rank | 4,864 - Quantcast Rank | 8,566 - Alexa Rank.

18 | EurekAlert
10,045 - eBizMBA Rank | 400,000 - Estimated Unique Monthly Visitors | 6,184 - Compete Rank | *8,800* - Quantcast Rank | 15,150 - Alexa Rank.

19 | HubbleSite
12,533 - eBizMBA Rank | 350,000 - Estimated Unique Monthly Visitors | 10,458 - Compete Rank | 6,100 - Quantcast Rank | 21,041 - Alexa Rank.

20 | ScienceNews
15,282 - eBizMBA Rank | 250,000 - Estimated Unique Monthly Visitors | 7,824 - Compete Rank | 6,985 - Quantcast Rank | 31,037 - Alexa Rank.