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 ...

Ever gazed at the night sky and wondered if we're truly alone, or if cosmic travelers zip through our solar neighborhood carrying secrets from distant stars? Recently, there was a lot of buzz around ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

Is 3I/Atlas an interstellar alien vessel or simply an intriguing, unique rock hurling through the cosmos? That debate has been raging ever since the comet, only the third known interstellar object to ...

Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.