3I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's Goddard Space Flight Center Paul Morris: Lead Producer Music Credit: "God ...
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Astronomers find interstellar comet 3I/ATLAS hiding in images taken before its official discovery
Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope ...
A rare comet from another star system is revealing just how different alien solar systems may be from our own.
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First X-ray image of interstellar comet 3I/ATLAS reveals a signature never seen in any other object from outside our solar system
When comet 3I/ATLAS swept through the inner solar system in late 2025, it gave astronomers something no interstellar visitor ...
After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be seen through amateur telescopes again, though it's impossible to say how ...
An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...
Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But lest you ...
Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this cosmic visitor hasn’t been visible from Earth since September, our space-based ...
The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place before our solar system existed.
The second wave of observations, conducted since December 2025, have allowed scientists to better characterize the chemical ...
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