Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

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

The third interstellar object ever detected in the solar system will make a close approach to Mars, giving the opportunity ...

Scientists to get closest look yet at mysterious object as it blasts past Mars - The interstellar object will hurtle within 18 million miles (29 million kilometres) of the Red Planet ...

Several spacecraft are on watch this week as an interstellar traveler approaches Mars. This is real life, not a sci-fi movie, but there’s also no impending alien invasion. It’s just a harmless but ...