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

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary migrations that shaped the worlds we know today. While it may seem intuitive that ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Fans of stargazing, the solar system, and early wakeup calls are in for a treat this month. Five planets are currently visible from Earth at the same time, in what’s known as a planet parade – or a ...

On August 10, six planets—Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune—will line up in an arc in the night sky. Four of these planets—Mercury, Venus, Jupiter, and Saturn—can be seen with the ...

Here's everything you need to know about this week's parade of seven planets. Getty Images A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just ...

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...