New observations show that planets forming in protoplanetary disks like that around PDS 70 can trigger the formation of ...

The best telescopes for kids make great Christmas gifts. Our favorite models will provide good, frustration-free night sky views and are perfect for budding skywatchers. If your child is ...

This week, three bright planets are making that case to be this year's “Star of Bethlehem” or "Christmas Star," with Jupiter, ...

How is the International Space Station able to orbit without burning up? – Mateo, age 8, New York, New York ...