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A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...
When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...
Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.
But this is exactly what happened for stargazers following the discovery of a weird interstellar object called 3I/ATLAS, or ...
Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...
The object is likely a 12-mile wide asteroid or comet from way, way out of town that just happens to be passing through our ...
Interstellar object 'Oumuamua probably moved strangely due to gas, study says A strange comet-like object discovered over five years ago was the first known visitor from another solar system.