NASA press conference about alien life? An E.T. rumor.

NASA plans a press conference today at 2 p.m. to discuss an astrobiology finding. The Internet buzz is that alien life was found on Titan. Not entirely true, according to reporters who have seen the research.

In the 1982 Stephen Speilberg movie, E.T.: The Extra-Terrestrial, Elliott (Henry Thomas) finds a friend in a visitor from another planet.

Speculation that life has been discovered beyond Earth exploded on the Internet after NASA announced plans for a press conference involving scientists who study unusual life forms.

The briefing, set for 2 p.m. Thursday, focuses on a paper being published in the journal Science, which has not been made public.

But when it is released, the paper will be a disappointment to those speculating about its contents. It does not report finding life outside of Earth.

In a report on the flap, the Columbia Journalism Review observed that the actual science in question "is quite terrestrial in nature and will come as a disappointment to those breathlessly waiting for news that E.T. has phoned home."

The American Association for the Advancement of Science – which publishes the journal in which the research will appear – said Wednesday it has received numerous inquiries about the "mostly erroneous online and/or tabloid speculation about the forthcoming research.

"These reports clearly are not based on the peer-reviewed research being published under the auspices of the journal Science."

The flap began when blogger Jason Kottke speculated on that – based on the areas of expertise of the scientists scheduled to speak – NASA might announce it had found bacterial life on Titan, Saturn's largest moon. That speculation was quickly picked up and repeated by a number of Internet sites.

IN PICTURES: A flyby of Saturn

Because modern science can be complex and hard to explain, major journals such as Nature, Science, Journal of the American Medical Association and others make their papers available to selected science writers in advance. That gives the writers time to prepare their stories. In return, they are required to promise that they will abide by release times for the papers they see in advance.

Kottke, AAAS said Wednesday, is not registered to receive papers in advance.

The headline on his blog was: "Has NASA discovered extraterrestrial life?"

By Wednesday he had added a note to his posting quoting a science writer who does have access to the paper. The answer to the question in the headline, the writer said, is "no."

IN PICTURES: A flyby of Saturn

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