The origin of our sun, and all the planets, comets and asteroids that orbit it, can be traced back to their birthplace inside a massive cloud of cold gas and dust, not unlike the billowing molecular ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

Take a look at the sky on any given day and you’ll likely see clouds of different shapes — some look like cotton balls, ...