The idea that humans may have company in the universe was given a boost this week after two U.S. presidents commented on the possibility of extraterrestrial life. “Are aliens real?” a podcaster asked President Barack Obama this week.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial theories.