NASA Announcement: 3 Theories on What the Space Agency Has Discovered

E.T., phone home. NASA may have figured out where you are hiding.

On Thursday, officials at the National Aeronautics and Space Administration will hold a much-hyped news conference to, according to a press release, unveil an "astrobiological finding that will impact the search for evidence of extraterrestrial life." Speculation about what that finding may be has become fodder for the kind of conjecture not seen on the Internet since Apple released its latest product.

While NASA's teaser announcement seems to indicate that the agency has not, in fact, discovered evidence of extraterrestrials zooming about the universe, it does raise the possibility that evidence of alien beings may have been found. Adding to the intrigue of the event, four of the scientists who'll be presenting NASA's as-yet-mysterious findings are a geobiologist, an oceanographer, a biologist and an ecologist, CBS News reported.

Here are some theories that have been floated so far as to what NASA has turned up: