Mass extinction events are defined by a 75% loss in total species. These events can take tens of thousands to several million years. Experts are alarmed at today’s “unprecedented” population abundance ...

Poisoned air, acid rain, collapsing food chains - this is what the Great Dying looked like. Over a few hundred thousand years, life on Earth nearly vanished in the most brutal extinction event ever.

Winter's disastrously low snowfall could further complicate an already audacious plan to refill the dying Great Salt Lake in time for the 2034 Winter Olympics in Utah. The plan being pushed by Utah ...

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.