Photographers and others with a keen eye have noticed that sunrises and sunsets have become a lot more purple in the U.S. New measurements from a high-altitude balloon could explain why.
A gene newly associated with the migratory patterns of golden-winged and blue-winged warblers could lend insight into the longstanding question of how birds migrate across such long distances.
Dozens of CU Boulder researchers will take part in the MOSAIC expedition, which will send an icebreaker ship into the winter pack ice to drift for an entire year.
Wildfire smoke can persist for months in the stratosphere, giving scientists an opportunity to fine-tune models of climate change, nuclear winter and geoengineering.
High in the Andes Mountains, dagger-shaped ice spires house thriving microbial communities and an oasis for life in one of Earth’s harshest environments.
When more women are involved in group decisions about how to manage land, the group conserves more—particularly when offered financial incentives, new research shows.
Marine microorganisms in the Southern Ocean may find themselves in a deadly vise grip by century’s end as ocean acidification creates a shallower horizon for life.
