New chromosome-level evidence suggests Medicago evolution followed a more complex, and surprising path, than previously thought. A long-standing puzzle in plant…

Wasps invading ant-plant systems are displacing ants in disturbed forests, potentially harming ecosystem stability and regeneration. An international group of researchers…

Scientists discovered a tiny wall-dwelling spider that preys on common urban pests and may aid natural pest control. Its resemblance to…

A stem cell-derived intestine model reveals glycyrrhizin as a potential treatment for inflammatory bowel disease. Scientists have used a lab-grown human…

If you love spicy food, you are not alone. But scientists are taking a closer look at whether eating a lot…

Researchers highlight fructose’s distinct role in obesity, metabolic syndrome, and other chronic diseases. A popular sweetener found in everything from sodas…

An unprecedented neutrino detection in the Mediterranean has pushed the boundaries of high-energy astrophysics, raising new questions about the most extreme…

By studying galaxy clusters separated by hundreds of millions of light-years, Penn physicist Patricio Gallardo and collaborators show that the laws…