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

Scientists are watching a newly discovered object in space, and most of them agree it's a comet, but not all of them. A Harvard scientist, who believes he's seen proof of alien life before, suspects ...

The interstellar object ‘Oumuamua, the first object to pass through our solar system from another star, is actually a comet, scientists say. See how they know here. Credit: ESA/Hubble, ESO, NASA, ESA, ...