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Younger Dryas impact hypothesis detail
Which original reports describe Younger Dryas impact hypothesis detail, and how have later accounts interpreted them?
Explore the recordImpact Events and Near-Misses
Impact Events and Near-Misses
Cosmic impacts that shaped history and claims of suppressed impact data.
I follow the original record. Dates, names and documents come before reputation or official assurances. Read the files, compare the accounts and examine the connections for yourself.
Research & writing
All research topicsDossier in preparation
Tunguska 1908 comet-fragment framework
Which original reports describe Tunguska 1908 comet-fragment framework, and how have later accounts interpreted them?
Explore the recordDossier in preparation
Chicxulub mass-extinction mechanism
Which original reports describe Chicxulub mass-extinction mechanism, and how have later accounts interpreted them?
Explore the recordTopics in this collection
Impact Events and Near-Misses
- Younger Dryas impact hypothesis detail
- Tunguska 1908 comet-fragment framework
- Chicxulub mass-extinction mechanism
- Australasian tektite field source debate
- Burckle Crater Indian Ocean tsunami
- Rio Cuarto craters Argentina chain
- Chelyabinsk 2013 detection failure
- Apophis 2029 close-approach concern
Sources & further reading
All source recordsU.S. National Archives — Research Our Records
Official archival research portal
Europeana — Digital Cultural Heritage
Cultural heritage discovery collection
Collections include research leads. An individual source record describes its role and access status.