Forget the Hollywood hype! Following the wild speculation that interstellar object 3I/Atlas might be an alien spacecraft, Phil O'Neil seeks out the scientific truth. Associate Professor of Astronomy Michael Brown cuts through the sensational claims about "anti-tails" and never-before-seen materials like nickel alloys.

Find out what's really happening with the distant object currently behind the sun, and why its bizarre behavior is actually completely normal for a natural comet. Plus, Professor Brown clarifies the confusion around asteroid PN7, explaining why it is not about to give Earth a second moon.