How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

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NASA scientists have discovered a rare visitor from beyond our solar system, a new interstellar comet speeding by on a brief ...

On July 1, 2025, a telescope in Chile detected something unexpected: a faint object streaking across the sky at an unusual ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

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Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

Spotting a possible interstellar object is incredibly rare, and it’s exciting that our UH-operated system caught it,” ...