Astronomers have discovered a rare in-sync solar system with six planets moving like a grand ... There was so much dynamic activity in our solar system in the beginning. Our solar system right ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Only on Venus did activity ramp up fairly recently ... This makes Earth the most familiar planet in the inner solar system, but also the strangest. No other world has been found to host life ...

Could other inner planets host life - or have hosted it in the past? This episode examines scientific data on Mars’s ancient river valleys, Venus’s vanished oceans, and Earth’s fine-tuned conditions.

(Credit: Batygin and Laughlin, ) Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit, ...

played a crucial role in shaping the inner solar system by altering the distribution of planetesimals and shifting material ...

This may explain the strange properties of the orbits of our solar system's planets ... this time including the orbits of the inner planets (Mercury, Venus, Earth and Mars), and found that ...

Our Solar System is full of mysteries, but if the inner planets are a puzzle, the boundary between the Solar System and interstellar space is a secondhand puzzle with half the pieces missing.

The Solar System consists of the eight planets ... Out of these eight planets the first four are known as inner or terrestrial plants while the later four being the outer or giant planets.

Some of the strongest evidence that points to the existence of a planet within the outskirts of the solar system is the activity within the Kuiper Belt, an unusual clustering of icy bodies ...