If A11pl3Z is a space rock, it's surprisingly massive compared to the other two interstellar objects that have passed by Earth. However, scientists don't project that the mystery object will get ...

Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

The object, which is currently being referred to as A11pl3Z, poses no threat to Earth, the ESA’s planetary defence head Richard Moissl told AFP.

A11pl3Z has been classified as a comet or cosmic snowball. The European Space Agency wrote on X: "Astronomers may have just discovered the third interstellar object passing through the Solar System.

Originally known as A11pl3Z before it was confirmed to be of interstellar origin, the object poses no threat to Earth, said Richard Moissl, head of planetary defense at the European Space Agency. “It ...

Originally known as A11pl3Z before it was confirmed to be of interstellar origin, the object poses no threat to Earth, said Richard Moissl, head of planetary defense at the European Space Agency.

In times past, unexpected visitors were generally welcome. Work culture, no online connectivity, and short commutes meant ...

On the early morning of July 2, 2025, I woke up at 2 AM for a two-hour radio interview to discuss my research on interstellar objects. This was fortunate timing, since rumors began appearing overnight ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) on July 1, the cosmic interloper ...

The object’s potentially interstellar origins excited scientists across the globe, and the next morning, the European Space Agency confirmed that this object, first named A11pl3Z and then ...

An Object of Massive Proportions Originally dubbed A11pl3Z, the interstellar interloper was added to the Near-Earth Object confirmation list by the IAU Minor Planet Center on July 1, 2025. The object ...