Interstellar comet

Space Interstellar comet 3I/ATLAS may come from a solar system much older than our own

3I/ATLAS carries chemical fingerprints that point to a planetary system older than our own.

Space 12 billion years old interstellar comet 3I/ATLAS may be older than the solar system Joseph Shavit

Space 3I/ATLAS had a far colder birthplace than our Solar System Joseph Shavit