New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a colder, more distant origin than any comet ever measured.
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NASA confirms 3I/ATLAS is older than our sun by 6.5 billion years and came from a place unlike anything known
On a winter night in Chile in July 2025, astronomer Larry Denneau’s automated pipeline at the ATLAS (Asteroid ...
Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That ...
The Subaru Telescope achieved first light in January 1999 and entered its 27th year of operation in 2026. In March 2025, ...
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