Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

The mystery surrounding 3I/ATLAS has taken another wild turn, as new observations suggest the “Manhattan-sized” object is accelerating in ways scientists can’t fully explain and, stranger still, it’s ...

Scientists baffled as 3I/ATLAS displays sun-locked jet with odds of natural alignment near zero As the winter solstice approaches, Earth is preparing for a brush with a high-speed traveller from the ...

A visitor from another star is tearing through our solar system, hailing from another star. This interstellar comet, named 3I/ATLAS, is putting on a dramatic show. It is ejecting vivid jets and a rich ...

Our solar system’s interstellar visitor – 3I/ATLAS – apparently has ‘jet thrusters’, a scientist has suggested. The comet is the third time an object not from our star system has wound up in our ...