The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will ...

New modeling shows that chaotic mass loss from the Sun could shake up the orbits of giant planets even before it turns into a ...

"Be careful with communication because Mercury is in retrograde." This is a phrase often seen in horoscopes. However, it does ...

Imagine the Sun shedding its outer layers not as a gentle breeze but as bursts of material flung in different directions. Each burst nudges the Sun slightly, and the planets respond by shifting their ...

Radio signals emanating from Beta Pictoris b suggest that this young and massive exoplanet has a strong magnetic field and ...

When you see art of our solar system as the planet orbit the sun, you may notice that Earth's orbit has a tilt. It is not a perfect circle. What's more, Earth is not the only planet that displays such ...

Learn how Pluto nearly kept its planet status in a proposed 12-planet Solar System as its demotion marks its 20th anniversary. Eight days before Pluto lost its planetary status, it appeared ready to ...

A new study published in The Astrophysical Journal Letters suggests that the outer solar system could become dynamically unstable about one billion years after the Sun becomes a white dwarf, ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of a planetary system with four planets, around a small red star, called LHS1903 with a large reddish-brown ...