New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

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

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

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

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

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

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

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

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...

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

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

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 ...