"These differences in timing can have surprising ecological, evolutionary and even economic consequences." Our current ...

The seasons don't operate like clockwork, they are subject to the vagaries of elevation and weather patterns, and they don't ...

In the United States, the U.S. Geological Survey (USGS) maintains a set of annual phenological metrics that documents the life cycles and impacts of climate change using satellite data, which also ...

In the U.S. Southwest, cities just about 100 miles apart can show very different annual rhythms because one area leans on ...

The annual clock of the seasons—winter, spring, summer, autumn—is often taken as a given. But our new study in Nature, using a new approach for observing seasonal growth cycles from satellites, shows ...