I think facebook is trying to pull out the correct information from your site and obviously getting it wrong. I think the problem is that you haven't provided a short description for your blog in your advanced settings.

This might help:

http://forums.b2evolution.net/viewtopic.php?p=98020#98020

Also, 1.10.2 is a really old version of b2evolution. I would upgrade if you are able to as there are some really good improvements in the 2.4.x and 3.x versions.

L

Now when i type
http://www.explodingmoon.org/publish to Facebook news feed it does not
show any posting. Earlier it used to show random posting. Can anyone help?.

I wonder the answer..