Shifts in Earth's orbit around the sun influence the start and end of Ice Ages over tens of thousands of years and human ...

If I could walk among any of Earth’s vanished species, I most wish I had lived alongside the American chestnut. Existing at the cusp of time between rapid industrial development at the end of the 19th ...

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 ...

Scientists have refuted online claims that human-caused global warming is preventing an extinction event by delaying the next Ice Age. Experts say while carbon emissions may have postponed natural ...