Top NASA scientists said there was no scientific evidence to support a colleague's claim that fossils of alien microbes born in outer space had been found in meteorites on Earth.

The US space agency formally distanced itself from the paper by NASA scientist Richard Hoover, whose findings were published Friday in the peer-reviewed Journal of Cosmology, which is available free online.

"That is a claim that Mr Hoover has been making for some years," said Carl Pilcher, director of NASA's Astrobiology Institute.

This debate will continue until other researchers verify Hoover's results.  Rather than simply criticizing his results, one would think that other researchers would scrambling to duplicate them.  To read the rest of the article, click here.