Add Yahoo as a preferred source to see more of our stories on Google. A wildfire frontline with emergency services nearby, Okanagan Valley, British Columbia, Canada. Farther back in our planet’s ...

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 ...

Heads up: This isn’t a feel-good read. Kolbert looks at the history of life on earth and concludes that we’re undergoing the sixth mass die-off, thanks to the changes imposed upon the planet by humans ...

Goodbye to all that: millions of Earth's species, like the white rhino, are no match for the one species that considers itself the smartestGetty Images Editor at Large Here’s hoping the human species ...

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 ...

Could you run for 100 hours this year? How about just doing a little more than 15 minutes each day? In fact, these goals are essentially equivalent, but one certainly sounds more ambitious than the ...

Add Yahoo as a preferred source to see more of our stories on Google. A skeleton of a Dodo. - Kirsty Wigglesworth/AP Humans have wiped out hundreds of species — with many more on the brink or ...

Humans have been shaping their environment since time immemorial. From cities to farms to highways, our impact has grown so large that we've pushed planetary boundaries, fueling concerns about climate ...