The large variety of Hiawatha impactite grains containing terrestrial organic matter with a likely age between 2.5 Ma and 50 ka support the conclusion in  that the crater itself is not much eroded and very young, and the possibility of an age of less than 50 ka remains open.
The bibliography of the subject alone refutes Vance Holliday’s absolute and categorical rejection of all evidence for the YDIH in a recent lecture. There are simply too many groups publishing too many papers for all of the evidence to be entirely rejected by anyone, even a persistent critic like Holliday. For gosh sake, the world’s […]
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 […]
The Tusk doesn’t generally report on current impact phenomena, and focuses instead on past impacts. But it never hurts to show some cool videos on a blog. First is from terrified residents of Vianales, Cuba on February 1st, 2019, shocked by the delayed arrival of the concussion, and staring in wonder and disbelief at the […]