A newly confirmed feature of this rare interstellar comet challenges what scientists thought they knew about how such objects ...

A photographer snapped a striking shot of Comet Lemmon streaking over Scotland as the night sky unexpectedly filled up with a ...

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

ESA uses a camera in ExoMars Trace Gas Orbiter to capture 3I/ATLAS when it was 18.6 million miles from the Red Planet.

The images offer the closest view yet of comet 3I/ATLAS, famous for being only the third known interstellar object to pass ...

The latest anomaly that has scientists and space enthusiasts talking as of late is a comet called 3I/ATLAS. As the comet ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Comet C/2025 R2 (SWAN) is a new visitor from our outer solar system. It may be easier to see as it approaches Earth next week.

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

I/ATLAS, only the third object from beyond our solar system ever spotted from Earth, was viewed from Mars by an orbiting European spacecraft.

Harvard professor Avi Loeb discusses the first new images of 3I/ATLAS after it passed Mars. Early photos from international ...

The comet was only discovered in January at the Mount Lemmon Survey in Arizona, making it a relatively new discovery for ...