A groundbreaking discovery has been made by astronomers, who have uncovered a massive molecular cloud located just 300 light-years away from the Solar System. This cloud, known as Eos, is among ...

At an epic timescale "comparable to the age of the solar system," which is 4.6 billion years old, the researchers believe that the spiral arms formed when "small bodies" were pushed out of the ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a ...