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

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 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 ...

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

Researchers claim that there could be at least 1 million interstellar objects hiding in the Oort Cloud at the edge of our ...

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 ...

The three-star system, which likely hosts planets, is slowly moving closer to us and will reach its closest point in about 28,000 years.

The findings, published in Astronomy & Astrophysics ( "The Solar System’s Passage through the Radcliffe Wave during the ...

Researchers examine how the solar system’s movement through the Orion complex could have affected Earth’s climate.

The inner Oort cloud, between 1,000 and 10,000 AU from the sun, displays a spiral formation with arms that extend 15,000 AU.

Seven planets grace the sky at the end of February in what’s known as a planetary parade, though some will be difficult to ...