Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

A star with a mass similar to our Sun passing within 10,000 astronomical units could disturb Oort Cloud, which is located far ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0 ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

At one time planners had considered including Pluto on Voyager 1’s itinerary, but instead chose a flight path that would allow close flybys of more alluring targets like Saturn’s moon Titan.

When the Sun runs out of hydrogen fuel and expands into a red giant, it will eventually encompass the innermost planets of the solar system, out to about Earth's orbit. Being closer to our ...

Home sweet home If you were to look at a giant picture of space, zoom in on the Milky Way galaxy, and then zoom in again on one of its outer spiral arms, you’d find the solar system. Astronomers ...

Scientists are now sounding the alarm about the stability of Earth in the future as new research indicates that our blue ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...