A comet tearing through the inner solar system at roughly 58 kilometers per second formed between 10 and 12 billion years ago ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests. The ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

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"We not only reconstructed an unaltered image of the emissions from deep space, but also obtained valuable information on the ...

The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...

HELSINKI — Researchers are examining how artificial intelligence technologies could support a planned Chinese mission to the boundaries of the solar system, according to a new paper. Artificial ...