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

I’ve always been interested in astrophysics and interested in astronomy and astrology and the stars,” the pop superstar said.

“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 ...