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 is CNET's science editor, and she ...

Stars are the fundamental building blocks of our universe. Most stars host planets, like our sun hosts our solar system, and ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

In 2009, a pair of astronomers at the Paris Observatory announced a startling discovery. After building a detailed computational model of our solar system, they ran thousands of numerical simulations, ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.

Although the solar system formed nearly 4.6 billion years ago, ... the ages of a large variety of moon rocks date from 4 billion to 3.9 billion years ago. ... “The model is extremely powerful ...

Although Pluto lost its status as "Planet Nine" when it was downgraded to dwarf planet, there is ample evidence that our solar system either had or currently has a large planet far beyond Pluto ...

A new computer model that accurately simulates the Sun’s past few solar cycles predicts that the next cycle will be 30 to 50 percent stronger than the last one and that it will begin a year ...

The Nice model was the first comprehensive solution that could simultaneously explain many unique structural properties of the Solar System 11,12,13,51,52, such as the locations of the giant ...