One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

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

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

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

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 ...

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 ...

The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.

Don't miss this chance to see all seven of our solar system neighbors in the sky at the same time. The planetary alignment ...

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 ...