What drives Yellowstone's massive elk migrations?

Every spring, tens of thousands of elk follow a wave of green growth up onto the high plateaus in and around Yellowstone and Grand Teton national parks, where they spend the summer calving and fattening on fresh grass. And ...

Satellite observations improve earthquake monitoring, response

Researchers at the University of Iowa and the U.S. Geological Survey have found that data gathered from orbiting satellites can provide more accurate information on the impact of large earthquakes, which, in turn, can help ...

Solving the mystery of fertilizer loss from Midwest cropland

Farmers can't predict their annual corn harvest with certainty, but with the help of new research from Michigan State University, they can now pinpoint specific parts of their fields that consistently produce either good ...

It's raining on the Greenland ice—in the winter

Rainy weather is becoming increasingly common over parts of the Greenland ice sheet, triggering sudden melting events that are eating at the ice and priming the surface for more widespread future melting, says a new study. ...

Complete world map of tree diversity

Biodiversity is one of Earth's most precious resources. However, for most places in the world, scientists only have a tiny picture of what this diversity actually is. Researchers at the German Centre for Integrative Biodiversity ...

page 1 from 23