In simple words
A birth chart is split into 12 houses, and each house is an area of life. The 8th house is about: intimacy, shared resources, trust, renewal.
Planets sitting in this house in your chart bring their energy to this area of life. An empty house is normal; it still matters. Houses need your exact birth time.
What the 8th house covers
It covers joint finances and other people's resources, emotional and physical closeness, and the psychological depths most people avoid. Planets here bring intensity and a pull toward hidden truths. It is the house of letting go so that something new can grow.
Growing through this house
Trust grows in small, honest exchanges. Let one person see a little more of you, and let one old pattern end.
Planets in the 8th house
Sun in the 8th house. You shine in the deep end. With the Sun in the eighth house, you are drawn to depth, psychology, shared resources and life's mysteries.
Moon in the 8th house. Deep feelings, private tides. With the Moon in the eighth house, emotions run deep and are often kept private.
Mercury in the 8th house. A mind for mysteries. With Mercury in the eighth house, you are drawn to research, psychology and hidden subjects.
Venus in the 8th house. Love with depth and intensity. With Venus in the eighth house, your relationships are intense and transforming.
Mars in the 8th house. Intensity in depth and transformation. With Mars in the eighth house, you bring strong will to intimacy, shared resources and personal change.
Jupiter in the 8th house. Growth through depth and sharing. With Jupiter in the eighth house, you can benefit from shared resources and from the support of others.
Saturn in the 8th house. Trust earned slowly and kept. With Saturn in the eighth house, intimacy and shared resources call for patience and care.
Uranus in the 8th house. Sudden insights, sudden changes. With Uranus in the eighth house, transformation tends to arrive suddenly.
Neptune in the 8th house. Deep intuition and mystical depth. With Neptune in the eighth house, you are sensitive to unseen currents and drawn to mysticism.
Pluto in the 8th house. Master of renewal. Pluto is at home in the eighth house.