Understanding droplet formation in pure water in a controlled lab setting is challenging enough, but in the atmosphere, droplets form in the presence of many other substances.

NASA analyzed weakening Tropical Storm Jeruto’s rainfall and found one small area of moderate rainfall displaced from the center, because of strong wind shear.

Unless it happens to be allergy season, most people don’t give a lot of thought to pollen. 

Ozone levels above the Arctic reached a record low for March, NASA researchers report. 

With the western United States and northern Mexico suffering an ever-lengthening string of dry years starting in 2000, scientists have been warning for some time that climate change may be pushing the region toward an extreme long-term drought worse than any in recorded history. 

A research team led by Northwestern University has designed and synthesized new materials with ultrahigh porosity and surface area for the storage of hydrogen and methane for fuel cell-powered vehicles. 

Dr. Ayse Sena Mutlu, a postdoctoral fellow at Baylor’s Huffington Center On Aging, had an intriguing question.

Leafhoppers are tiny insects. They are only about 3 millimeters long, smaller than a grain of rice.

Researchers at Woods Hole Oceanographic Institution (WHOI), the University of California Los Angeles (UCLA) and their colleagues used a new geochemical tool to shed light on the origin of nitrogen and other volatile elements on Earth, which may also prove useful as a way to monitor the activity of volcanoes.

Since their invention in the 1930s, electron microscopes have helped scientists peer into the atomic structure of ordinary materials like steel, and even exotic graphene.