Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

The waterfall at Ash Cave in Hocking Hills State Park is different. This viral Facebook post explains why. See the video ...

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

Before you look up at the sky, it helps to understand what sungrazers actually are and what makes them a matter of interest ...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.