Beginning around 2.5 million years ago, Earth entered an era marked by successive ice ages and interglacial periods, emerging from the last glaciation around 11,700 years ago. A new analysis suggests the onset of the next ice age could be expected in 10,000…

A federal appeals court struck down provisions in two Arizona voting laws that sought to increase proof-of-citizenship requirements for voter registration.

The order will rescind a mandate “that required agencies and recipients of federal funding to provide extensive language assistance to non-English speakers,” the White House said.

"For the first time, we realized that the effect of these photoreceptors is not everywhere along the stem." This first-of-its-kind plant discovery could help boost pantry-staple crop yields — here's how it works first appeared on The Cool Down.

Over 700 million years ago, Earth experienced a dramatic climate event known as the Sturtian glaciation, one of the most extreme ice ages in history. During this period, the planet was encased in ice from pole to equator, with temperatures plummeting to levels…