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A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...
Newly released imagery from NASA shows the Sun's corona in stunning detail after the Parker Solar probe performed its closest-ever flyby.
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...
I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.
For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.
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