Why are climbing vines overgrowing tropical forests in the Americas?
A single-celled organism is found to sow and harvest crops of bacteria to sustain its colonies.
Conservation helps, but more must be done to reverse the decline of vertebrate species.
For many vultures, scavenging has become dangerous business.
Use of nitrogen fertilizer is radically impacting Earth's nitrogen cycle.
Roads connect people, but they separate animals.
Knowing how far Atlantic sturgeons roam will help protect this threatened migratory species.
AMNH scientists name hundreds of newly discovered species every year.
The October 4 spill from a Hungarian industrial plant is visible from space.
Endangered Florida panthers benefited from the introduction of Texan panthers in their ranks.