From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

Egyptian geese are aggressively territorial. During mating, they are monogamous, making it likely the pair fighting the ...

A variety of studies are showing that rough-and-tumble play is important for animals and kids alike.

Cosmonauts Oleg Artemyev and Sergey Prokopyev successfully installed the first ICARUS experiment antenna on the outside hull of the International Space Station during a nearly eight-hour space walk in ...

Climate change is speeding the spread of global pathogens. Can an early-warning system for animal viruses help stop pandemics before they start? During an expedition to the Southern Ocean, microbial ...