An all-female spaceflight seems an apt endeavor for the 40-year-old Perry, whose collection of hits include songs about ...

White House press secretary Karoline Leavitt won't respond to emails from reporters who use gender pronouns in their ...

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 ...

“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 ...