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

Katy Perry is reading Carl Sagan, studying string theory ahead of spaceflight ...

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 ...

Carl Sagan, the astronomer, Pulitzer Prize-winning author, and legendary popularizer of science, gave this interview during the making of "Time Travel." True to form, he discusses arcane aspects ...

American astronomer Carl Edward Sagan emphasized the importance of imagination in his work Cosmos, stating, "There is nowhere you can go without imagination." The earliest way humanity gave shape ...

“I was listening to ‘Cosmos’ by Carl Sagan and reading a book on string theory,” she recalled. “I’ve always been interested in astrophysics and interested in astronomy and astrology ...