Something extraordinary has happened after vanishing behind the sun. 3I Atlas has reappeared. And what's being observed now is far more puzzling than anticipated. When it emerged from solar conjunction, telescopes captured it again. And what they saw defies everything we've come to expect from objects arriving from beyond our solar system. The first fresh glimpses came from the Lel Observatory on Halloween night, revealing a comet that quite simply shouldn't behave the way it does.