An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Astronomers spot a mysterious object from interstellar space. The object, 3I/Atlas, is traveling at 60 km/s. It poses no ...

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NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...