News Summary

• Even though astronomers didn’t detect alien tech signals from a rare interstellar visitor, the results are worthwhile, they say.
• All signs suggested the interstellar object was natural, but some astronomers took the opportunity to look for so-called technosignatures, particularly radio signals that could be produced by something artificial.
• “Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems,” said Sofia Sheikh, a research scientist at the SETI Institute.