When 3I/ATLAS was first spotted a few months ago, it seemed to emit a reddish color. But earlier this month, some astronomers ...
New data from the International Gemini Observatory revealed the object has grown in its estimated size, with it now weighing ...
A new study has attempted to pin down the properties of interstellar comet 3I/ATLAS, finding it is "anomalously massive" at around 33 billion tons. On July 1, 2025, astronomers spotted an object ...
The mysterious comet 3I/ATLAS is "anomalously massive" compared to past interstellar objects observed in our solar system, a ...
Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, ...
Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can ...
The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...
Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic ...
Earlier this week, the Sun unleashed a flurry of plasma and magnetic fields, or coronal mass ejection, at interstellar object ...
The interstellar visitor will pass just 30 million kilometers from Mars on Oct. 3 — far closer than it comes to Earth.