A polar bear cub named Nur was introduced in Sao Paulo on Thursday, marking a historic milestone as the first polar bear born in Latin America, according to the Sao Paulo Aquarium, where she resides.

Polar bears Lee and Aurora at the Columbus Zoo and Aquarium will be featured in an upcoming episode of "Mutual of Omaha’s Wild Kingdom Protecting the Wild." The episode will air on NBC at 10 a.m ...

The upper layer of the Earth's atmosphere could play a bigger role in shaping the northern lights than previously thought, ...

Only during heightened solar activity can strong geomagnetic storms shift auroras further from the polar regions and surprise skywatchers at lower latitudes. Lucky for us, there are many aurora ...