Last week, a runner traversing the trails of California’s Pinnacle National Park, encountered a mesmerizing sight — a halo of rainbow colors emanating from the single cloud in t...

Over the last couple of decades, astronomers have identified thousands of planets outside our solar system. However, they have been unable to find confirmation of a moon revolvi...

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...