The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as it traveled through our solar system—and how other distant solar systems might be different from ...
Astronomy
Sep 11, 2025
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One of the advantages of having so many telescopes watching large parts of the sky is that, if astronomers find something interesting, there are probably images of it from before it was officially discovered sitting in the ...
Astronomy
Aug 28, 2025
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Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has just been discovered. Using the Gemini North telescope, astronomers have captured 3I/ATLAS as it ...
Planetary Sciences
Jul 16, 2025
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28
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.
Astronomy
Jul 11, 2025
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182
Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system—only the third ever spotted, though scientists suspect many more may slip past unnoticed.
Astronomy
Jul 3, 2025
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Some parts of the universe only reveal important details when observed in radio waves. That explains why we have ALMA, the Atacama Large Millimeter–submillimeter Array, a collection of 7-meter and 12-meter radio telescopes ...
Astronomy
Mar 13, 2024
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28
On October 19th, 2017, astronomers with the Pann-STARRS survey observed an interstellar object passing through our system—1I/2017 U1 'Oumuamua. This was the first time an ISO was detected, confirming that such objects pass ...
Space Exploration
Mar 1, 2024
2
62
When the interstellar object (ISO) 'Oumuamua appeared in our solar system in 2017, it generated a ton of interest. The urge to learn more about it was fierce, but unfortunately, there was no way to really do so. It came and ...
Astronomy
Feb 13, 2024
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32
On October 19, 2017, astronomers with the Pan-STARRS survey detected an interstellar object (ISO) passing through our solar system for the first time. The object, known as 1I/2017 U1 'Oumuamua, stimulated significant scientific ...
Astronomy
Jan 15, 2024
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69
The glittering globular cluster Terzan 12—a vast, tightly bound collection of stars—fills the frame of this image from the NASA/ESA Hubble Space Telescope. The location of this globular cluster, deep in the Milky Way ...
Astronomy
Sep 7, 2023
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