This strange object near the solar system's edge may be a rare example of the 3-body problem in our own cosmic neighborhood.

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

A giant wave of undulating gas and dust appears, per new research, to have engulfed our Solar System millions of years ago.

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...

Our grade school understanding of the Solar System may not take into account the constant discoveries being made in our ...