Mysterious signals from 1000 light years away

[Peter Luining]

In February 2003, astronomers involved in the search for 
extraterrestrial intelligence (SETI) pointed the massive radio telescope 
in Arecibo, Puerto Rico, at around 200 sections of the sky.

The same telescope had previously detected unexplained radio signals at 
least twice from each of these regions, and the astronomers were trying 
to reconfirm the findings. The team has now finished analysing the data, 
and all the signals seem to have disappeared. Except one, which has got 
stronger.


http://www.newscientist.com/news/news.jsp?id=ns99996341