The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

In a groundbreaking discovery, astronomers have confirmed the approach of a “wandering planet” into our solar system. This ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything about it that might align with a hypothetical alien spacecraft.

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...