John & Paul,' a new book by journalist Ian Leslie, explores the intricacies of their complicated relationship.

John Lennon and Paul McCartney were each other’s favorite audience. That was plainly clear as the besotted Beatles bantered, bickered and obsessed over the 23 years they were friends and rivals.

Fans of The Beatles are only just realising where the group, comprised of John Lennon, Paul McCartney, Ringo Starr, and ...

The Beatles secured their first U.S. number one with I Want to Hold Your Hand and Paul McCartney and John Lennon were under ...

Paul McCartney was inspired to write Can't Buy Me Love after The Beatles' first hit in the U.S., but was not impressed by ...