Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

Sunspot region AR3663 fires up again, adding another eruption to its growing list since last week. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...