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Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom, photographer Lucas Foglia documents the journey.

NOAA relies on hundreds of contracts to keep the agency running. The new commerce secretary is reviewing many of them individually, causing disruptions to many normal operations within the agency.

Droughts in top coffee-growing countries have shrunk the supply of beans. Supermarket brands like Nescafé and Folgers have already raised prices — but the world keeps drinking more and more coffee.

The Trump administration dismissed all the scientists working on the next National Climate Assessment. The report is the most comprehensive source of information about climate change in the U.S.

San Diego has a new official flower, following the City Council's unanimous vote today to replace the non-native carnation with the native western blue-eyed grass.

The rain has intensified in California, where an atmospheric river is expected to bring heavy downpours, winds and flooding to areas ravaged by wildfires.

The plant, formally known as Ovicula biradiata, is especially notable for being the simultaneous discovery of a new species and genus. It was found with help from the community science app iNaturalist.

School districts in Ramona and Julian have canceled Wednesday classes.

Rain is easing after Southern California’s first significant storm of the season brought weekend downpours that aided firefighters but caused ash, mud and debris to flow across streets in wildfire-burned areas.

Chesapeake Bay is at a turning point. Once severely polluted, the bay has seen major improvements in recent years. But President Trump's proposed budget would slash key programs.