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NASA spacecraft tracks comet SWAN in incredible 40-day timelapse — and even glimpses interstellar invader 3I/ATLAS (video)

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with ...
PRIMETIMER on MSN

Is the interstellar visitor 3I/ATLAS back again? Hubble’s new image and viewing times explained in one place

​Interstellar comet 3I/ATLAS is in the news again after NASA shared a new picture taken by the Hubble Space Telescopeon ...
NBC DFW

Two greenish comets are streaking across the night sky this month

Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks. The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), ...

3I/ATLAS to make its closest approach to Earth in December. Here's the latest

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

December stargazing: An infamous comet and one last supermoon for 2025

As one might expect from a month full of long, dark nights, December is a highlight for those with a penchant for looking to ...
NBC Chicago

Two comets will streak across the sky in October. How to spot them

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's known as the ...