Ever since humans began venturing into space,  227 astronauts have left the spacecraft to perform some sort of extravehicular activity (EVA). While 14 of those have been women, ...

California's Yosemite National Park is home to numerous stunning waterfalls. However, from mid-to-late February each year, the unlikely star of the pristine preserve is Horsetai...

Zipping across the solar system in an electric car may seem like something straight out of a science fiction movie. However, that is exactly what Starman — a mannequin dressed i...

While dogs openly demonstrate joy or displeasure through grins and grimaces, discerning  a cat's emotions from its face is often hard, even for its owners.  Now, researchers fro...