Most people can recognize themselves in a childhood photo. But if fish took pictures, many would be unable to pick their younger selves out of a lineup. In many species, the juveniles bear little resemblance to the adults, ...
Circus bear Mura wound up in the world's biggest brown bear sanctuary in the heart of Romania's Carpathian mountains after refusing to perform any longer, following five years of unbearable abuse.
Wolf experts from around the nation will be gathering this week to consider how to help the critically endangered red wolf.
The biggest threat to Southern California mountain lions is us, confirms a comprehensive 13-year study of the population's mortality and survival from the University of California, Davis.
New evidence is emerging that climate change could join overfishing as a major threat to the world's seafood supplies.
While teaching a class on coarse-graining methods in physics, James O'Dwyer realized that the technique could be used to understand how microbes evolve over time. The results, published in PNAS, reveal microbial family trees ...
Over the course of evolution, humans and other animals have developed biological clocks. These act as internal timekeepers and are synchronised by environmental cues, mainly the daily alternation between day and night. These ...
After decades of relying on scientific opinion, an international team of researchers has come close to determining the number of tree species in the tropics.
If it seems like you're pulling more bass than trout out of Ontario's lakes this summer, you probably are.
An animal-welfare group says one of the oldest African elephants in North America has been euthanized in California because of chronic degenerative joint and foot disease.