The discovery of 1I/Oumuamua, 2I/Borisov and 3I/ATLAS showed that significant numbers of interstellar objects populate interstellar space. Their omnipresence...
During its closest approach to Mars on October 3, 2025, 3I/ATLAS was 30 million km away from ESA’s ExoMars Trace Gas Orbiter (TGO).
This image of the...
After 1I/ʻOumuamua and 2I/Borisov, 3I/ATLAS is the third object and the second comet from outside the Solar System confirmed.
This image from the Multi-Object...
Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini South telescope at NSF’s International Gemini Observatory in the Chilean Andes, astronomers...
Planetary researchers at Southwest Research Institute has completed a study detailing how a proposed spacecraft could fly by an interstellar comet, providing...
According to an analysis of the new images from the NASA/ESA Hubble Space Telescope, the nucleus of 3I/ATLAS is between 320 m (1,000 feet) and 5.6 km (3.5...
Astronomers using the Gemini North telescope at NSF’s International Gemini Observatory have captured 3I/ATLAS as it makes its temporary passage through...
3I/ATLAS is only the third object of its kind ever observed, following the interstellar asteroid 1I/ʻOumuamua in 2017 and the interstellar comet 2I/Borisov...
After the interstellar asteroid 1I/ʻOumuamua and the interstellar comet 2I/Borisov, 3I/ATLAS is the third object and the second comet from outside the...
