An interstellar tourist is taking a quick trip through our solar system, becoming one of just three known objects to ever do so, according to NASA. A comet from a solar system outside our own was ...

3I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the galaxy. By Kenneth Chang For only the third time, astronomers have found ...

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system came from. Harvard physicist Avi Loeb and student researcher Shokhruz ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...