although it’s unclear if whether that amounts to a sixth mass extinction. The Ordovician-Silurian mass extinction event may have wiped out some 85 percent of species, including many of the ...

Scientists have documented five major mass extinction events in Earth's history ... are we now in a sixth mass extinction? Many researchers claim the sixth mass extinction is underway, with ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

The Earth is currently experiencing its sixth major extinction event. One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 ...

although it’s unclear if whether that amounts to a sixth mass extinction. The Ordovician-Silurian mass extinction event may have wiped out some 85 percent of species, including many of the ...

Although it may not be obvious, another devastating mass extinction event is taking place today - the sixth of its kind in Earth's history. The trend is hitting global fauna on multiple fronts ...

Our planet now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. But there’s still ...