January will test your resilience, push you to confront your inner demons and face the darker aspects of your life you've been avoiding. Here's what your biggest challenge will be in the first month of 2025,

Mars leaves Leo and retrogrades back to Cancer on Jan. 6, a transit that celebrity astrologer Kyle Thomas tells PEOPLE can be "difficult" for many at this time

Mars in retrograde often invites us to slow down, reassess, and ensure that our actions are in harmony with our deeper values and emotions to validate.