These icy bodies contain organic molecules — and don’t fall into any known category of celestial object we’ve seen before.

More information: Richard Cloete et al, Machine learning methods for automated interstellar object classification with LSST, Astronomy & Astrophysics (2024). DOI: 10.1051/0004-6361/202451118 ...

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

Get Instant Summarized Text (Gist) Astronomers have identified a potential new class of interstellar objects characterized by peculiar icy compositions. Using data from the AKARI and ALMA ...

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 ...

Turns out, it came from another star system. This is the first time humanity has observed an interstellar object. Astronomers discovered it on Oct. 19. At first, they thought it was a comet.

It was quickly discovered that the object, dubbed Oumuamua, had come from outside of our own solar system, making it the first interstellar object ever detected by humans. That’s pretty exciting ...

The object's trajectory strongly suggested it came from another star system, making it the first interstellar object ever detected. Scientists gave it a Hawaiian name, 'Oumuamua, meaning "scout ...

Which in Hawaiian, roughly translates to "first time visitor from far away." Oumuamua is the first interstellar object ever detected in our solar system. Astronomers discovered it in 2017 with the ...

USSC: “Effectively an interstellar object” In a memo dated March 1 and shared on Twitter on April 6, Lieutenant General John E. Shaw, deputy commander of the USSC, wrote that the 2019 fireball ...