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20 km in diameter mystery interstellar visitor identified approaching the solar system A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile ...

It’s officially the third known interstellar object to pass through our solar system and poses no threat to Earth.

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard.

A cosmic body from another star system has entered Earth and is the largest one ever seen. In the previous decade, two other outer space objects were spotted in the solar system. One looked like an ...

The interstellar object has been named 3I/Atlas by the International Astronomical Union’s Minor Planet Center.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.

PARIS – Astronomers have confirmed the discovery of an interstellar object racing through our solar system – only the third ever spotted, though scientists suspect many more may slip past ...