Christmas symbols we all know and love. N othing says “Christmas” like the sights, smells and sounds of the season: From ...

I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...

Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.

Our solar system is full of interesting mysteries. However, even after years of research, some remain unknown. Here are five unexplored mysteries of the solar system: The two hemispheres of Mars have ...

The rings of Saturn are among the most famous and spectacular features in the solar system. Earth may once have had something similar.

Supermoons are known for being extra bright, but Tuesday night's will be an exception, as it briefly darkens due to ...

A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's climate ...

Until scientists learn more then, here are seven of the most fascinating discoveries they’ve made about Saturn so far. The ...

September’s full moon, known as the Harvest Moon in the Northern Hemisphere, marks the end of summer. Traditionally, it ...

NASA shares breathtaking images of astronomical events, such as supermoons and eclipses, which showcase the beauty of the ...