High above our heads and unseen to the naked eye, rivers of water vapor flow through the atmosphere. These "atmospheric rivers" are crucial to the global water cycle. Astonishingly, they have the ...

The Earth’s atmosphere is nothing but freely roaming molecules. Left alone, they would drift and collide, and eventually even out into a mixture that’s dynamic, yet stable and broadly unchanging. The ...

"Selected papers presented at the summer institute titled Physics of the upper atmosphere which was conducted by the Physics Department of the University of Texas at El Paso in cooperation with the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Climate models are complex, just like the world they ...

With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life. (At least, life as we know it.) But assessing habitability is a difficult ...

Here’s how it works. Amazonian trees are absorbing more CO2 from the atmosphere and getting fatter as a result, scientists say. (Image credit: Christian Vinces/Getty Images) Trees of all sizes across ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

More than 75% of the planet's health and life support systems are in danger. The climate crisis is not a distant threat; it's happening right now and affecting what matters most to us. Hurricanes ...