As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Gov. Kevin Stitt announces plan for Oklahoma will work with ICE to arrest undocumented immigrants. LIVING IN FEAR: The debate ...

Astronomers have identified sulfur as a potentially crucial indicator in narrowing the search for life on other planets.

Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most areas. In contrast to the cold conditions ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...