A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed into each other. This hypothesis could also help to solve several other ...

July will be a busy month in the cosmos. The month will kick off with Mercury at its greatest eastern elongation, followed by the Buck Moon, and will conclude with the Delta Aquariid meteor shower.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Each Monday, I pick out North America’s celestial highlights ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

The moon is our constant companion and the only natural object that always orbits Earth. It's about four times smaller than Earth and its gravity is much weaker, which is why astronauts bounce around ...

On July 4, there will be an uncommonly good opportunity to get a glimpse of Mercury, the smallest, speediest planet in our solar system. Named after the Roman god known for his winged feet and swift ...

Moon watchers will have plenty to enjoy in 2026 with three supermoons and two lunar eclipses during the year. Each month brings its own full moon, and each has its own name and traditions, based on ...

That will be a partial solar eclipse where the moon will block 70% of the sun from view. A rare planetary parade will march ...

Want to see the next full moon of 2026? We have all the details you need.