We are on the cusp of an extraordinary event in our solar system: the close approach of an object that simply shouldn't be here. Comet 3I/ATLAS, only the third known interstellar visitor to ever pass through our neighbourhood, is due to make its closest flyby to Earth on Friday, Dec. 19, 2025.
While NASA has been quick to reassure everyone that it poses no threat whatsoever, the bizarre behaviour and sheer rarity of this deep-space enigma have reignited one of the most provocative debates in modern astronomy: Is this truly just a chunk of ice and rock, or is something else — perhaps something engineered — gliding past us?
