The find shines light on how galaxies begin to turn gas and dust "into stars and planets," said astrophysicist Blakesley ...

NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth and a distant star, creating a "stellar occultation." ...

The predawn hours of April 28 will see a planetary triangle form in the night sky, as Venus makes a close approach to Saturn following a conjunction, while Neptune, invisible to the naked eye, will ...