Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

Comet Lemmon, discovered earlier this year, will make a close approach to Earth later this month, giving skywatchers the ...

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

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

On October 3, Comet 3I/ATLAS will be almost 29 million kilometers (18.006 million miles) from Mars. The European Space Agency ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

NASA is tracking an object that is entering the solar system at approximately 245,000 km/h. This interstellar visitor is ...