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All About Astrology

A browsable reference library for the language of charts: signs, planets, houses, aspects, and the techniques that connect them.

STAR & SIGIL

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First Steps

The Zodiac Signs

Twelve equal sections of the tropical zodiac and the dates associated with the Sun.

Astrology Dictionary

Find chart terms and follow concise guides to their methods and context.

FREE REFERENCE

Children, Teens & Family Astrology

Read chart symbols with young people without fixed labels, with birth-time and privacy guidance.

FREE REFERENCE

The Planets

What a planetary position is and why the Sun and Moon belong in a chart.

Sun and Moon in the Signs

Twenty-four guides to the two luminaries in every tropical zodiac sign.

FREE REFERENCE

Moon Sign Meanings

Twelve focused guides to the Moon in every tropical zodiac sign.

FREE REFERENCE

Sun in the Twelve Houses

Read twelve house guides with Whole Sign context and birth-time guidance.

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Mercury in the Zodiac Signs

Twelve guides to communication and inquiry in each tropical sign.

FREE REFERENCE

Mercury in the Twelve Houses

Twelve guides to thought and communication in chart houses, with birth-time guidance.

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Venus in the Zodiac Signs

Twelve guides to Venus, values, affection, and creative choices in every sign.

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Venus in the Twelve Houses

Twelve guides to values, pleasure, and relationships in chart houses, with birth-time guidance.

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Mars in the Zodiac Signs

Twelve guides to initiative, effort, conflict, and action in every tropical sign.

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Mars in the Twelve Houses

Twelve guides to initiative, effort, and boundaries in chart houses, with birth-time guidance.

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Jupiter in the Zodiac Signs

Twelve guides to learning, judgment, generosity, and growth in every tropical sign.

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Jupiter in the Twelve Houses

Twelve guides to meaning, opportunity, and growth in chart houses, with birth-time guidance.

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Saturn in the Zodiac Signs

Twelve guides to Saturn, responsibility, time, and durable commitments in every sign.

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Saturn in the Twelve Houses

Twelve guides to structure, limits, and responsibility in chart houses, with birth-time guidance.

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Moon in the Twelve Houses

Twelve Moon house guides for charts with a recorded birth time.

FREE REFERENCE

Rising Signs and Ascendant Meanings

Twelve original rising-sign guides with chart rulers and birth-time guidance.

FREE REFERENCE

The Ascendant

The eastern horizon point and its dependence on birth time and place.

Reading a Chart

The Twelve Houses

How different house systems organize the chart.

Aspects and Orbs

The angular relationships between chart points.

Aspect Pattern Guide

Compare the geometry, orbs, and birth-time limits of Grand Trines, T-squares, and Yods.

FREE REFERENCE

Planetary Aspect Meanings

Twenty natal aspect guides with orb, birth-time, and full-chart context.

FREE REFERENCE

Transit Aspect Meanings

Twelve guides to transiting planets contacting natal placements, with timing and orb context.

FREE REFERENCE

Retrograde Motion

Why a planet can appear to move backward.

Methods & Data

How to Read an Ephemeris

A step-by-step introduction to planetary position tables.

Gauquelin Sectors: 36-Part Semiarc Method

Learn how rise, culmination, set, and lower culmination anchor the 36 clockwise sectors.

FREE REFERENCE

Extended Chart Types

Natal, transits, returns, and their different purposes.

How to Read a Sourced Chart Example

Check a birth record and calculation method before interpreting a public chart.

Lunar Node Ephemeris

Compare true and mean lunar node positions across a selected date range.

FREE LOOKUP

Locational Astrology

How charts and maps use a birth place and a destination.

Major asteroids

Ceres, Pallas, Juno, and Vesta in astrology explains the four-body reading method, exact-degree comparisons, retrograde motion, and the boundary between calculated positions and symbolic interpretation.