Unlike typical comets, ‘Oumuamua lacks rock or carbon-rich material. It is also much more elongated than other comets. It ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

In a pair of papers published in 2018 and 2021 in the Journal of Geophysical Research: Planets, planetary scientist Steve ...

If we’ll ever find life outside our solar system, it will not be an instant discovery. Save for the slim possibility of an intelligent civilization beaming a message in our direction, evidence for ...

Initially, it was classified as a comet, but the object's behavior and composition did not match any known comet models. What sets ‘Oumuamua apart is its high reflectivity, unusual elongated or ...

Comet 3I/ATLAS is the third ISO ever detected. It was discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...