The comet, first discovered in July 2025, is only the third ever confirmed object to pass through the solar system.

Scientists from the European Space Agency have significantly narrowed down the trajectory of the interstellar visitor 3I/ATLAS thanks to data from the alien comet's recent flyby of Mars, allowing for more accurate future observations.

Astronomer Satoru Murata photographs interstellar comet 3I/ATLAS with giant anti-tail jets, baffling scientists and challenging comet theories.