Keep your geochronological dates straight with Wolfram|Alpha's detailed information on Earth's geologic time scale. Drill down from the eons through the epochs and analyze data on the climate changes, impacts, extinctions and continental shifts that formed the unique geology of each time division.
Travel back through time with data spanning eons.
Explore the various ice ages, glaciations and interglacial periods that have occurred throughout geologic time.
Visualize the position of Earth's continental plates over time.
Query for properties of geochronology.
Discover a variety of notable events that occurred during various geologic time units.
Determine the geological time unit, and related information, that corresponds to an ancient date in the past.
Discover how the Earth's climate has changed over time.