"Before I came I had grave doubts as to whether the red rain was really an indication of life coming from space; new life coming from space," he said. "But on reflection and after talking to Godfrey, I think I would now fairly firmly believe that it did represent an invasion of microbes from space."BBC NEWS | Science/Nature | Searching for 'our alien origins'
Organisms from space! Isn't that good enough as alien life? But still no big news reports?
The scientists agree on two points, though. The things look like cells, at least superficially. And no one is sure what they are.Skepticism greets claim of possible alien microbes