Telescopes on Earth, along with multiple cameras in space, have captured a whole gallery of new imagery of this alien visitor ...

Its unusual properties have driven debate among astronomers and space enthusiasts as it approaches its closest point to Earth ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system. Discovered over the summer, the comet known as 3I/Atlas is only ...