[10/1/2003] Experts and amateurs puzzle over an elusive big cat Read Full Story>
[10/1/2003] Biologists find that some warm-weather species can't take global warming's heat Read Full Story>
[10/1/2003] Scientists strive to keep the world's largest aquatic frog off a growing global list of fleeting amphibians Read Full Story>
[10/1/2003] Thanks to a team of daring and dedicated park rangers, the greater Asian one-horned rhino still survives—for now Read Full Story>
[10/1/2003] New studies support the contentious idea that, like humans, whales and dolphins can learn and pass on local customs Read Full Story>
[10/1/2003] Exterminated from Yellowstone National Park eight decades ago, gray wolves are back—and boosting the park’s biodiversity Read Full Story>
[10/1/2003] Fur seal pups are able to detect the unique call of their mothers Read Full Story>
[8/1/2003] Invasive species find an advantage over native species: freedom from former diseases Read Full Story>
[8/1/2003] Among fireflies, flashier males get the girls Read Full Story>
[8/1/2003] When they are born, great hunters need a coach and a mother; for this consummate predator, mom is both Read Full Story>