A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

Take a journey to the outer edges of the solar system and discover how planets, comets, and icy fragments form an invisible ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

All of the objects in our solar system are acted upon by forces. Forces are pushes or pulls. Every force has both a strength and a direction. Applying a force on something–like pushing a toy car–can ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.

Here’s what you’ll learn when you read this story: Observations of the young HOPS-315 star system show an environment analogous to what our own nascent Solar System would have looked like billions of ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles per hour (246,000 kilometers per hour), astronomers didn’t want to miss what ...