Lava flows down a hill under an evening sky. The Permian-Triassic mass extinction was caused by volcanic eruptions in what is now the Siberian Traps, releasing 100,000 billion metric tons of carbon ...

Human beings are steadily heading towards extinction and may “already be a dead species walking”, according to a scientist. Writing an opinion piece in Scientific American, palaeontologist and editor ...

Johannes M. Luetz does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...