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

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 ...

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

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 ...

Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests.

A University of Arizona-led team discovered a growing planet, WISPIT 2b, forming inside a disk gap around a young star. The finding confirms theories that protoplanets carve out gaps in disks of gas ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...