Why cants waves travel through earths core?

Seismic waves, specifically P-waves (primary waves), can travel through Earth's core because they are compressional waves that can move through solid and liquid materials. S-waves (secondary waves), however, cannot travel through the outer core, which is liquid, because they require a solid medium to propagate. The variation in wave behavior helps scientists understand the composition and state of Earth's interior. This information is crucial for studying the Earth's structure and dynamics.