Discover interesting facts about Saturn, its rings and whether it could contain extraterrestrial life.

In a memorable image from the 1977 film “Star Wars,” the young hero Luke Skywalker gazes at two suns setting above the horizon on his desert planet Tatooine. Astronomers since then indeed have ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

Our sun is wobbling, and this has a huge impact upon the regularity of many of Earth's meteor showers, according to a new ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars ... by the European Southern ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

If you thought planets only circled stars in neat, flat disks, think again. Scientists have uncovered compelling evidence for ...

He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...