…the impactor would have encountered the atmosphere at velocities of approximately 20-50 km/s, and the released energy of the airburst would have been comparable to or greater than any known nuclear explosion. From Wikipedia: The structure was identified on the basis of Landsat imagery in 1985.[2] It is located between the Manupari and Madidi Rivers.[3] […]

Only at the Cosmic Tusk can you expect to see a major global announcement by NASA scooped by six weeks. Thanks to our blog’s most dedicated contributor, Steve Garcia: You heard it here first. See other, non-prescient, contemporaneous coverage here: NBC:  Immense crater may have been found deep under Greenland’s ice sheet PhysOrg: NASA finds possible second […]

It’s hard to be cynical enough in this game. I noted today that “Science Communicators,” a recently discussed poorly adapting subspecies, have yet to mention this blockbuster paper in Nature Reports one year ago. Specifically, there is credible preliminary evidence contained by the bucketful that there was a catastrophe prior to the Younger Dryas Impact […]

Panspermia 2013 The Tusk recieved an extraordinary paper recently and immediately pinged our digital acquaintance for commentary, world treasure: Dr. Chandra Wickramasinghe. “Chandra, I hope you are well. A friend of the Comet Research Group\YDB team just sent around an announcement of the following discovery: https://phys.org/news/2018-05-gene-survey-reveals-facets-evolution.html A large-scale genetic comparison has discovered that 90% of […]

I had a blast last week joining the hosts of my favorite new podcast: Seven Ages Audio Journal. Like the Tusk, veteran podcaster Micah Hanks and his science bros Jason Pentrail and James Waldo attempt the difficult balance between hard science, responsible speculation and perhaps some entertainment. I think they recognized me as a “fellow […]

Paleolithic Extinctions and the Taurid Complex (2010) Centaurs as a Hazard to Civilization (2015) Excerpted from Page 11 Wolbach et. al Part One (2018)   Astronomical Hypothesis for the YDB Impact Event Regarding the probability of a swarm of cometary fragments hitting the Earth, Boslough et al. (2013) claimed that the YDB event is “statistically […]

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