Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

More than 90% of drugs that appear safe and effective in animal studies ultimately fail once they reach human trials, and the consequences are staggering: billions of dollars wasted, delays in new ...

Just two decades ago, it seemed as if we might need to write a eulogy for the saiga antelope. Cut down by widespread poaching and waves of disease, by 2003, just 6 percent of the floppy-nosed ...