The solar system is difficult to show correctly. Why? It is difficult because the size of things are vastly different. Let me use units common in solar-system astronomy, the Astronomical Unit (or AU).

Which solar system model is best? For as long as humans could look up at the night sky, we’ve been fascinated with the stars. How far away are they? Where did they come from? What secrets do they hide ...

Get your scrolling hand ready. An interactive web page has created a scale model of the solar system, where the moon is the size of just one pixel. Michelle Starr Science editor Michelle Starr is CNET ...

Banner image: A glass block marks Saturn's spot in the solar system in a new scale model on the CU Boulder campus. (Credit: CU Boulder) Have you ever wanted to travel to Neptune? Thanks to an updated ...

Astronomers and geologists have several techniques for dating Earth, and, therefore, the age of the solar system. From the radiometric dating of rocks, which measures the known decay rates of ...

"The only way to see a scale model of the solar system," Wylie Overstreet says, "is to build one." So he and a group of friends did just that, tracing out the planets' orbits and then filming a ...

The geocentric model is a debunked theory that the Earth is the center of the universe, with the sun and planets revolving around it. When you purchase through links on our site, we may earn an ...

The Solar System’s current planetary orbits seem stable, but that’s only because the planets have settled into them over billions of years. The early Solar System was a much different place than that ...

If you had a few billion dollars and some of the most talented space scientists and engineers in the world, where would you go? There's no wrong answer, really. Even if you narrow it down to just the ...