Astronomers Discover Major Clue About 3I/ATLAS’ Origins

In addition to fleshing out 3I/ATLAS’s lonely backstory, it’s also a clue about how other star systems form. Study coauthor ...
Earth.com

Alien comet reveals hidden layers after close brush with the Sun

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...
Scientific American

Alien comet reveals our solar system is the oddball

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

Fastest comet ever recorded spewed 70 Olympic pools’ worth of water daily

3I/ATLAS is now sailing away from Earth and our solar system itself, but astronomers have already learned a wealth of ...
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Interstellar comet 3I/ATLAS found to have ultra-cold origin

Astronomers have conducted the first isotopic analysis of an interstellar comet, 3I/ATLAS, revealing it formed in an extremely cold, remote part of the Milky Way. The comet’s water contains ...