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A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say. The "water ice-rich" ...
The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...
COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...
Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was ...
The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...