There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Join Chris Tiu and Shaira Diaz as they share a creative memory hack that will help you master the order of the planets in no time! Watch 'iBilib' Sundays at 9:35 AM on GMA Network, hosted by Chris Tiu ...

The solar system is a grand cosmic stage where each planet and moon plays a unique role in a story billions of years in the making. From Mercury’s shrinking surface and Venus’s runaway greenhouse ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...