Quetzals, essential seed dispersers in Central and South America, face threats. The conservation efforts are crucial for ...

Temperatures are achingly cold in the stratosphere over the Arctic, which can only mean one thing: it's perfect conditions ...

Similar to sun dogs and sun halos, clouds far up in the sky made of ice crystals, scatter sunlight in a way where a faint spectrum of colors is observed. Be sure to check back to see if your picture ...