Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

Writer and director Thunder Levin (the twisted mind behind the Sharknado franchise) has an obvious penchant for smashing seemingly unrelated threats together. He took that philosophy to the ultimate ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

The amount of carbon dioxide that humans will have released into the atmosphere by 2100 may be enough to trigger a sixth mass extinction, a new study suggests. The huge spike in CO2 levels over the ...

A vast, complex sunspot comparable in scale to the region that powered the historic Carrington storm is now rotating across the center of the solar disk, squarely aligned with Earth. Its position ...