Houston, Texas and Columbia, MD (USRA/LPI PR) — A new study reveals the Chicxulub impact crater may have harbored a vast and long-lived hydrothermal system after the catastrophic impact event linked to the extinction of dinosaurs 66 million years ago.

LONDON (University College London PR) — Volcanic activity did not play a direct role in the mass extinction event that killed the dinosaurs and about 75 per cent of Earth’s species 66 million years ago, according to a team involving UCL and University of Southampton researchers.