Astronomers have confirmed that interstellar objects—cosmic bodies originating from other stars—are passing through our solar ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

A novel way to find aliens might be through gravitational wave detection, Loeb says. He is interested in laser interferometry ...

How can astronomers pierce through the interstellar fog of the Milky Way—not to study distant objects, but to understand the ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

Oumuamua was later confirmed to be the first object from another star known to have visited our solar system. While these interstellar objects (ISOs) originate around a star, they end up as cosmic ...

A new study reveals that more than 1 million interstellar objects, each larger than the Statue of Liberty, may be residing in the Oort Cloud. These objects, believed to have originated from the ...

Astronomers found two strange, dense, icy objects by chance in 2021 during a survey of our galaxy’s disk by Japan’s AKARI satellite. A closer look showed that they are made of interstellar ice ...

Interstellar objects are among the last unexplored classes of solar system objects, holding tantalizing information about primitive materials from exoplanetary star systems. They pass through our ...

This illustration shows the paths through our Solar System of the two confirmed interstellar objects, Oumuamua in 2017 (formally known as 1I/2017 U1), discovered in 2017, and the comet 2I/Borisov ...

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