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 ...

The planet is on the precipice of the sixth mass extinction event. Unlike previous mass extinctions caused by natural events such as asteroid collisions, volcanic activity, and climate change, the ...

Some experts believe that we're already in a sixth mass extinction event, but given the numbers, others aren't so sure.

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

For years, headlines have warned that Earth is entering its sixth mass extinction, but a new study suggests these fears may ...

Could we be on the verge of the sixth mass extinction? To better understand what’s to come for life on Earth–and the current harm we’re doing to our own environment–we have to look into the past. But, ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

‘Arguing that we are not experiencing a sixth mass extinction, or at least playing it down, gives support to those who would happily allow it to happen,’ wrote Cowie in the normally docile pages of ...

The Earth has lived through 5 mass extinctions of animals and plants. The last one - 66 million years ago - took out the dinosaurs. That extinction is believed to have been caused by a giant asteroid ...

Scientists debate whether current extinction rates mark a planet-wide crisis or reflect a more nuanced reality, highlighting the challenges of defining and measuring human impact on biodiversity.