The “urban ecosystem” serves as a research lab for scientist Gregory Glass, who studies the lives of the Charm City’s rats
Research suggests a rooster's wattle may help gain a hen's attention
Geckos, tiny dinosaurs, cave man couture, and more
In Worcester, Massachusetts, authorities are battling an invasive insect that is poised to devastate the forests of New England
Invasive beetles of various colors and sizes have infiltrated U.S. forests, despite efforts by government experts
The spiny sowthistle (Sonchus asper) is a flowering plant that grows up to three feet tall and sprouts small yellow flowers
Smithsonian lists the most improbable, inhospitable and absurd habitats on Earth
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