Interstellar objects like 3I/ATLAS that have been captured in planet-forming discs around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...

The object is far outside our galactic neighborhood, possibly billions of light-years away. But astronomers have seen similar objects closer to home. This glowing red question mark was captured in the ...

3I/ATLAS has fascinated and alarmed stargazers for weeks with its strange trajectory and weird anti-tail, convincing many that the Manhattan-sized interstellar visitor is a spaceship sent to probe ...