What does "Saturn in its fall" mean?

In traditional astrology, Saturn is in its "fall" in Aries because Aries is the sign of the Sun's exaltation. Saturn represents limits and Aries represents boundless light and action. This means the planet has to work harder and more creatively to express its nature, often leading to a unique, highly individualized sense of discipline.

How will this affect people born with Saturn in Aries?

If you were born between 1996–1998 or 1967–1969, you are likely approaching a Saturn Return. This is a major life milestone where you are "audited" by the universe on how well you have built your life’s foundations. It is a time of significant maturation and often a complete restructuring of your path.

Is this transit "bad" for fire signs?

Not at all. While Saturn brings challenges, it also brings the "glue" that allows fire signs to actually manifest their visions. For Aries, Leo, and Sagittarius, this transit provides the necessary containment to turn a flickering flame into a steady, reliable engine.