Wild parsnip is an invasive plant that aggressively spreads to take over fields and roadsides.
A quarter of the world's plant species may be headed toward extinction. Seed banks aim to prevent that.
From the street Andrée Collier Zaleska's home, in an urban neighborhood in Boston, Mass., does not reveal the bounty in the backyard.
Many scientists suggest that climate changes could be causing certain kinds of wildfires for which the West's forests are not well adapted. This year could help researchers better understand and fight the trend.
The Borneo Orangutan Survival project in Indonesia could be a blueprint for saving habitat, cutting greenhouse gases.
Giant hogweed - known to cause blisters, blindness, and scars that last for years - is cropping up in New York.
The prosecution in the Casey Anthony trial introduced records from Cindy Anthony's employer indicating she was not the one using the home computer to search for information on chloroform.