"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure ...

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of "Ask a Spaceman" and "Space Radio," and author of "How to Die in Space." Sutter contributed this article to ...

As the solar system was forming billions of years ago, the planet Jupiter carved a gap in the disk of dust and gas around the sun, dividing the inner from the outer solar system. New evidence from ...