The best news? Viewers in prime dark sky locations don’t need high-tech telescopes or even binoculars to stargaze this summer ...

The northern lights are predicted to be "quite pleasing to look at" all weekend, according to the National Oceanic and ...

While all seven planets could appear in some form in parts of the U.S., not all of them will be visible to the naked eye. That sobering fact shouldn't dampen stargazers' enthusiasm for witnessing ...

The phenomenon, described by NASA as a vibrant “phytoplankton bloom,” has been visible from orbit through advanced imaging sensors, confirming that the light source is biological in origin and ...