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

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 complex processes working at once, according to new research.

Earth’s ice caps exist due to a rare combination of cooling processes. Without these, Earth would likely remain warm and ...

Captain America, be he Steve Rogers or Sam Wilson, always gets a handful of standout scenes in each of his MCU films.