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 ...

In the century or so since Edwin Hubble discovered that the Milky Way is just one of countless galaxies in the universe, our ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

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

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

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 ...

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 ...

The detection of a large interstellar object in 2017 named 'Oumuamua was a landmark discovery. Figuring out where the wayward traveler came from, though, is another challenge entirely, especially ...

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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 ...