It's safe to say that most of us are familiar with the concept of mass extinction. But this is by no means a recent ...

Robert Michael/AFP via Getty Images. Earth’s marine species, especially those at the tropics, were in trouble again about 419 million to 365 million years ago. This series of mass extinctions ...

Throughout its 4.5 billion-year history, Earth has endured numerous mass extinctions, each of which has wiped out more than three-quarters of the planet's species and greatly reduced its biodiversity.

Surprising new fossil evidence undermines the idea that there was ever a mass extinction on land – and may force us to ...

Based on this, the team determined that 2.5 near-Earth supernovae occur per billion years—a figure that matches the timing of ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...

Asteroid impacts and volcanism have led to mass extinctions ... The evolution of life on Earth is not a story of steady progress or linear adjustment. Extinctions both small and cataclysmic ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of a ...