NEW YORK — There’s a reason the terms “romantic” and “romanticism” are so often preceded by the adjective “hopeless.” ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

They can look similar to bubbles in soap or oil over water that give a rainbow appearance. They also have a similar appearance to the rainbow observed on a mother-of-pearl gemstone. Sign up for our ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...