Researchers using vegetation data to explain moose population dynamics run into a hidden variable and a possible signature of history.
Published Apr 27, 2020
Astronaut photographs from the Gemini era and from the space shuttle reveal tremendous growth.
Published Sep 16, 2001
Every night, under the cover of darkness, countless small sea creatures swim from the ocean depths to feed near the surface, then descend out of sight again before daybreak.
Published Dec 4, 2019
A new study shows that nocturnal animals are less active when the nights are too bright with electric lighting.
Published Oct 24, 2019
New satellite-based research suggests that mule deer mothers are in tune with their environment, with reproduction patterns closely matching the cycles of plant growth in their habitat.
Published Mar 22, 2016
Tree and plant cover has deteriorated considerably in some areas, while advancing in other areas that previously burned or used to be frozen.
Published Jul 27, 2020
A representation of the pressure local populations put on their ecosystem, this map shows how much plant matter people need for food and other products compared to the amount of plant material produced in each region.
Published Dec 15, 2010
A new study has found a link between the effects of climate change, the productivity of grasslands, and the proliferation of bison in Yellowstone National Park.
Published Mar 12, 2020
For the past few decades, Africans have been moving from rural areas into cities, seeking work. The continent’s urban population has skyrocketed. Nairobi is a prime example of that migration, with its population pushing upward and its boundaries pushing outward.
Published Sep 30, 2016
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