When astronomers first spotted the fast-moving object 3I/ATLAS hurtling through the solar system in July 2025, speculation erupted online: was it another ʻOumuamua—or even an alien craft? Months of ...

Is it a silent messenger from a distant civilisation or merely a frozen wanderer caught in the Sun's gravity? The arrival of a new interstellar visitor has triggered a scientific standoff that feels ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...