A defense mechanism that has emerged and disappeared several times over the evolutionary history of different lines of plants, particularly trees in hot environments, plays a crucial role in Amazonia ...

Scientists have observed that ammonia in penguin guano is directly related to cloud formation in Antarctica. Gaseous ammonia reacts with gaseous sulfur compounds in the Antarctic atmosphere to form ...

The formation of stars is intricately linked to the complex structure and dynamics of molecular clouds—vast, cold, and dense regions in the interstellar medium that primarily consist of molecular ...

In the wake of the horrific Texas floods, there is a lot of discussion about cloud seeding. While it certainly did not cause those floods, talk about cloud seeding has flowed out of the fringes into ...