The status of Pluto not withstanding, our solar system has 8 planets, but one astronomer believes we used to have a ninth ...

A study accepted to The Astrophysical Journal Letters finds the giant planets could be thrown into chaos about a billion ...

According to a new study, the Solar System may break apart within about 6 billion years as the dying Sun’s uneven mass loss destabilizes the outer planets.

The solar system could be destroyed much sooner than we thought, scientists say - Outer planets could be thrown out into the ...

It has about a 1 percent chance of leaving the Solar System within the next 5 billion years and a fraction of the models show ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the solar system showing the orbits of the planets around the sun. From an early age, we are taught to ...

If the Sun eventually becomes a white dwarf, what will happen to Earth and the other planets?”The Sun will not shine ...

Before the sun fully formed, tiny bits of rock were already recording the magnetic forces present in the very early solar ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An interstellar object known as 3I/ATLAS has gathered a significant ...

The fact that the Sun (a star) is at the center of the solar system was just a coincidence | The Sun can also wobbleThe Sun ...

The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At the turn of the 21 st century, astrophysicists ...

Ancient grains inside one of the oldest known meteorites reveal that a surprisingly strong magnetic field existed during the solar system’s first 200,000 years. The discovery suggests magnetism worked ...