Asteroid dust in Chicxulub crater seals deal on dino extinction

Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids. Source: https://earthsky.org/earth/asteroid-dust-iridium-chicxulub-crater-dinosaur-extinction…

Ancient life signs under dinosaur-killing Chicxulub crater

Researchers have found evidence for an ancient microbial ecosystem in a hydrothermal system beneath Mexico’s Chicxulub Crater, thought to be the site of the impact that killed the dinosaurs 66 million years ago. Source: https://earthsky.org/space/dinosaur-killing-chicxulub-impact-crater-hydrothermal-microbial…

A Subterranean ecosystem in the Chicxulub crater

A new study reveals that the Chicxulub impact crater and its hydrothermal system hosted a subterranean ecosystem that could provide a glimpse of Earth’s primordial life. Source: https://phys.org/news/2020-10-subterranean-ecosystem-chicxulub-crater.html…

New study says dinosaur-dooming asteroid struck Earth at ‘deadliest possible’ angle

“For the dinosaurs, the worst-case scenario is exactly what happened … because it put more hazardous debris into the upper atmosphere and scattered it everywhere, the very thing that led to a nuclear winter.” Source: https://earthsky.org/earth/dinosaur-killing-asteroid-struck-earth-deadliest-angle…