Coverage dated July 1, 2025 to July 2, 2025

NASA finds new interstellar comet passing through solar system

Headline from CBS News, on the newest of 2 developments

NASA has discovered 3I/ATLAS, an interstellar comet that's wandered into our backyard.

CBS News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

Jul 2, 2025
Inbound: Astronomers Discover Third Interstellar Object
Headline from Universe Today ·
Jul 3, 2025Newest
NASA finds new interstellar comet passing through solar system
Headline from CBS News ·

Read the reports

Reports & sources

11 articles, oldest first.

Universe Today
Inbound: Astronomers Discover Third Interstellar Object (opens Universe Today)
Published Jul 1, 2025
Universe Today's feed description
A newly discovered object may give astronomers an opportunity to study an interstellar visitor like never before. The object (A11pl3Z) is currently at +18th magnitude, moving slowly along the border of the constellations Serpens Cauda and Sagittarius, right near the galactic plane.
Digital Journal
Possible interstellar object spotted zooming through Solar System (opens Digital Journal)
Published Jul 1, 2025
Digital Journal's feed description
An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would be the third visitor from
CNN
Astronomers spot an interstellar object zipping through our solar system (opens CNN)
Published Jul 2, 2025
CNN's feed description
Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.
NBC News
Interstellar comet is only third known object to visit from beyond our solar system (opens NBC News)
Published Jul 2, 2025
NBC News's feed description
Astronomers are rolling out a welcome mat for a newly identified visitor from beyond our solar system
BGR
Astronomers spotted a third 'interstellar object' streaking through our solar system (opens BGR)
Published Jul 2, 2025
BGR's feed description
Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object we've discovered.
Scientific American
Third Interstellar Object Swoops through our Solar System, Surprising Astronomers (opens Scientific American)
Published Jul 2, 2025
Scientific American's feed description
All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system
CBS News
NASA finds new interstellar comet passing through solar system (opens CBS News)
Published Jul 2, 2025
CBS News's feed description
NASA has discovered 3I/ATLAS, an interstellar comet that's wandered into our backyard.
Anchorage Daily News
NASA identifies newly discovered object as an interstellar comet that will keep a safe distance (opens Anchorage Daily News)
Published Jul 2, 2025
Anchorage Daily News's feed description
It’s only the third known interstellar object to pass through our solar system.
The Conversation US
Astronomers have discovered another puzzling interstellar object − this third one is big, bright and fast (opens The Conversation US)
Published Jul 2, 2025
The Conversation US's feed description
Over the next few days, astronomers will pull together evidence to determine whether the object is a comet.
Gizmodo
Confirmed: A Rare Interstellar Object Is Passing Through Our Solar System (opens Gizmodo)
Published Jul 2, 2025
Gizmodo's feed description
This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another solar system.
Astronomy Magazine
Interstellar comet 3I/ATLAS discovered racing through solar system (opens Astronomy Magazine)
Published Jul 2, 2025
Astronomy Magazine's feed description
NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the direction of Sagittarius