Just as millions of birds begin the twice-yearly ritual of migration, there is another, less expected traveler on the move.
Monarch butterflies are the only butterfly to make a two-way migration — and it takes multiple generations to make one complete round-trip. STORY & COMMENTS
The Illinois Environmental Protection Agency is looking into whether Stone Ridge Dairy - the largest in the state - may be responsible for a fish kill that destroyed 40,000 fish and other aquatic life. STORY & COMMENTS
A Massachusetts company wants to market a genetically engineered version of Atlantic salmon, and regulators are weighing the request. If approval is given, it would be the first time the government allowed such modified animals to join the foods that go onto the nation's dinner tables. STORY & COMMENTS