Once a realm of imagination and stargazing, the Solar System has now been revealed in stunning clarity through decades of ...

Returning champion Scott Riccardi was given a run for his money on Jeopardy! as he found himself fending off a strong ...

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

Dowling Watford, left, and Glenn Bakels, right, stand in Riverbend Park, once the spot where the U.S. Army battled Seminoles ...

Venus: Venus dazzles in the eastern sky before sunrise, shining brightly for a couple of hours each morning. It’s joined by ...

With more Dark Sky Places than anywhere else in the world, Utah’s high deserts are giving visitors front-row seats to the ...

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...

“They appear moments after a lightning strike—a sudden reddish flash that can take a range of shapes, often combining diffuse ...

NASA astronaut Nichole Ayers has shared an incredible image of a sprite, a rare weather phenomenon that's triggered high ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...