Forget Yellowstone: Thousands of immense supervolcano eruptions buried much of ancient Mars

In one of the single most terrifying articles I have ever read, planetary scientists show that ancient Mars suffered from immense, repeated supervolcano eruptions that buried a huge region under ash as deep as a kilometer, and that these eruptions are tied to vast calderas in a specific spot on the planet.

These supervolcanoes erupted between 1,000 to 2,000 times over a 500 million year period, an apocalyptic era in the Martian past called the late Noachian/early Hesperian, about 3.7 billion ye...