Researchers say the finding may also shed light on how giant planets gradually shifted to their current orbits and what interstellar conditions the solar system faced during its birth.

According to Princeton researchers, the classical belt's structure should be understood as consisting of three major ...

On a chilly morning in February 1930, a young astronomer named Clyde Tombaugh was hunched over a blinking comparator at the ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects ...

New Horizons exposed Pluto as a surprisingly active world shaped by towering ice mountains, cryovolcanoes that erupt frozen mixtures instead of lava, and a possible hidden ocean sealed beneath a deep ...

"Similar to the asteroid belt, the Kuiper Belt is a region of leftovers from the solar system's early history. Like the ...

Pluto's largest moon, Charon, likely formed through a capture event in the early, crowded Kuiper Belt. Three-body encounters ...