Comet Lemmon, discovered earlier this year, is gearing up for a close approach to Earth later this month. It may become ...

Scientists to get closest look yet at mysterious object as it blasts past Mars - The interstellar object will hurtle within ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor ...

I f you’ve ever wanted to see a chunk of the early solar system with your own eyes, now’s your chance. The comet C/2025 A6, ...

A UCLA astronomer who leads planetary defense missions for NASA says avoiding asteroid impacts is “a problem we can ...