If it’s not an asteroid or a comet, it might be something stranger.

A newly discovered interstellar object is moving through the solar system at around 137,000 mph, and it did not take long for ...

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 ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands understanding of interstellar visitors.

NASA's Jared Isaacman confirmed the agency has unexplained UAP imagery, fueling alien life debates. He urged scientific ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...