Is the biosphere today on the verge of anything like the mass extinctions of the geological past? Could some equivalent of meteorite impacts or dramatic climate change be underway, as humankind's ...

Many types of plant, animal, and mammal species globally are at risk of extinction. Over 1 million species are threatened with extinction within the next few decades—an unprecedented rate ...

We are now entering a time of immense environmental upheaval with a multitude of factors (e.g. habitat degradation, climate change, over-exploitation) driving species to extinction as a result of ...

Now, scientists say, life on Earth could be in trouble again, with some even saying we could be entering a sixth mass extinction. No credible scientist disputes that we are in a crisis regarding ...

The most famous of these mass extinction events — when an asteroid slammed into Earth 66 million years ago, dooming the ...

"Welcome to the Black Triangle," said paleobiologist Cindy Looy as our van slowed to a stop in the gentle hills of the northern Czech Republic, a few miles from the German and Polish borders.

And how can anyone determine what is "worth it" when it comes to preventing extinction ... feeding in and plodding through every type of mud. And many are unfathomably epic travellers.

Life on Earth is anything but predictable. For evidence, look no further than the five mass extinctions that have occurred over the past 500 million years: Even in the midst of widespread ...