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

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 ...