Farther back in our planet’s history, volcanic eruptions, rapid climate change, and plummeting oxygen levels have caused at least four additional mass extinctions, with smaller pulses of biodiversity ...

Historically, an estimated 0.1% of all species go extinct each year. That may not sound like a lot, but considering that there are 1.7 million species that have been scientifically identified so far, ...

For most of human history, extinction has been understood as an immutable fact of nature—a one-way door that, once closed, could never be reopened. Species disappear, their genetic innovations vanish ...