Astronomers are tracking a newly spotted comet, named 3I/ATLAS, hailing from parts unknown. It is only the third time such an ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Selling a home with a financed solar system doesn’t have to be complicated. The process can run smoothly – as long as the ...

Nasa's powerful James Webb Space Telescope is showing us something humankind has never witnessed firsthand before: The birth ...

For decades, astronomers believed our Solar System was a typical model of how planetary systems should form. But recent discoveries are reshaping that view, revealing that our cosmic neighborhood may ...

Dwarf planets Haumea and Makemake are the latest additions to the Maine Solar System Model, billed as the largest solar ...

The Oort Cloud is a vast, icy shell that surrounds the solar system, marking the farthest reaches of our cosmic neighborhood. Though we have yet to directly observe its objects, the Oort Cloud is ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...