We owe you an explanation. December 31: An important update for readers in the United States. You deserve an explanation, so please don't skip this 1-minute read. It's Wednesday, …

Dec 2, 2025 · NASA missions are working together to track and study this rare, interstellar comet as it passes through our solar system. Comet 3I/ATLAS is only the third known object to pass …

Dec 23, 2025 · 3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers.

Dec 22, 2025 · Comet 3I/ATLAS is the third known interstellar object, discovered by the robotic survey project ATLAS on July 1, 2025. It is possibly the oldest known comet, originating from …

Dec 15, 2025 · If you’ve seen people online calling it “31 ATLAS,” “3AI ATLAS,” or “3 Eye Atlas,” don’t worry — they all mean the same thing. The comet’s real designations are C/2025 N1 …

Jul 2, 2025 · Significance: Discovered before perihelion, 3I/ATLAS offers a rare chance for extended observation, helping scientists explore the nature and history of objects traveling …

See the live position and real-time trajectory of interstellar comet 3I/ATLAS (C/2025 N1). Our interactive tracker uses the latest NASA/JPL ephemeris data for the most accurate simulation.

7 hours ago · From the moment astronomers discovered interstellar object 3I/ATLAS, they became fixated on one question: What is it?

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

Friday, Dec. 19, 2025: The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.