Astrological Harmony: Aries and Libra Compatibility Unveiled In the continuous series of the zodiac signs and their compatibility with each other, we have the next zodiac stars known as Aries & Libra Compatibility which is also the most known affinity. But the question arises: what are those traits or features that make them the most compatible with each other? Maybe their contrasting personalities as they have opposite placements in the zodiac wheel and it's a universal truth that the opposite always attracts each other, and this also may be the biggest reason why they are the most compatible cosmic stars.