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 ...
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 ...