The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

At the vast edge of the solar system, Pluto has long been perceived as a cold and lonely dwarf planet. However, a recent ...

Traditional theories suggest that Pluto's formation process is similar to that of other celestial bodies in the Kuiper Belt, ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of ...

What if Pluto wasn’t the end? What if our Solar System hides dozens - maybe hundreds - of strange frozen worlds beyond Neptune? In this video, we take you on a journey through the mysterious outer ...

The methane emission is explained by solar-excited fluorescence. Sunlight interacts with methane molecules, causing them to ...

The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home ...

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

New research from NASA has found that the dwarf planet Ceres may be another place to look for evidence of primitive life in our solar system.