Carl Sagan, the astronomer ... wormhole—with flair and a refreshing dash of humor. Sagan was David Duncan Professor of Astronomy and Space Sciences and director of the Laboratory for Planetary ...

After a long day of rehearsing for her upcoming world tour, Katy Perry decided to peruse a few books to help her unwind ...

This story appears in the August 2017 issue of National Geographic magazine. Carl Sagan spent his childhood immersed in Mars. The future scientist, an avid reader of Edgar Rice Burroughs’s ...

“I was listening to ‘Cosmos’ by Carl Sagan and reading a book on string ... Associated Press at her Southern California rehearsal space on Wednesday, days before she was set to leave for ...