As Treehugger reports, NASA’s Antarctic Impulsive Transient Antenna (ANITA) indicated in 2006 that the cosmic rays it was meant to detect were coming from the Earth itself rather than solely from beyond the atmosphere. When it repeated eight years later, researchers began to examine the findings, as they came into conflict with conventional explanation: No known source exists on Earth. Does this mean that the rays are from another universe, in which any and all possibilities materialize? Unfortunately, the answer is not so certain. 

The University of Hawaii issued a statement clarifying that while Professor Peter Gorham of their faculty did make comments on what may unfold from this find, the potential for validation of parallel universes was not among them. When pressed on this specific issue, professors from the Universities of Sydney and Queensland somewhat more optimistically stated that while it is possible, there are other explanations as well (via Daily Star). Assuming ANITA was indeed correct, something is causing those rays to appear, and researchers are working to find whatever or wherever it may be.