Genes of giant tortoises reflect ancient volcanic eruption in Galapagos Islands.
In a wilderness, roads can interrupt migration corridors; kill wildlife through vehicle impacts, block movement of surface water; compact soil, harming burrowing animals and changing groundwater flow; cause air pollution and traffic noise; and allow invasive species to enter.
Monkeypox, AIDS, SARS: Are more diseases jumping from animals to people, or is it just our imagination?
A new study reveals rapid evolution of white-footed mice in Chicago, in just 150 years.
West Nile virus attacks birds, but how bad will the human damage be? Where do these viruses come from, how do birds spread them, and how can we protect ourselves?
All carnivorous mammals of Madagascar descended from a common ancestor.
If we put up a giant umbrella to shield the Earth from global warming, what will happen to plant productivity?
Protecting small fish may cause a genetic change that promotes slow-growing fish. Is it smarter to protect the large fish instead?
Marine iguana in the Galapagos islands are suffering from trace amounts of oil left by a tanker accident.
New study links long-term changes in salmon population to climate changes.