Palmer amaranth's molecular secrets reveal troubling potential

Corn, soybean, and cotton farmers shudder at the thought of Palmer amaranth invading their fields. The aggressive cousin of waterhemp—itself a formidable adversary—grows extremely rapidly, produces hundreds of thousands ...

30 years ago: Voyager 2's historic Neptune flyby

Thirty years ago, on Aug. 25, 1989, NASA's Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system's eighth planet. Marking the end of the Voyager mission's Grand Tour of ...

Study: Urban sprawl creates food deserts

Urban sprawl has led to the creation of food deserts in metropolitan areas across the United States, according to a published study by a researcher at The University of Texas at Arlington.

Solitude breeds aggression in spiders (rather than vice versa)

Spiders start out social but later turn aggressive after dispersing and becoming solitary, according to a study publishing July 2 in the open-access journal PLOS Biology by Raphael Jeanson of the National Centre for Scientific ...

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