Active small bodies—including comets, active asteroids, icy minor planets, and transitional objects—occupy a unique position in planetary science. As ...

Researchers have revealed stunning new details about the auroras on Ganymede, Jupiter’s largest moon. This research, led by ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

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

O n the outer edge of our solar system, past Neptune’s orbit, lies the Kuiper Belt, a wide band of small bodies drifting ...

A new study outlines a potential mission to intercept interstellar comet 3I/ATLAS, but the journey could take decades due to ...

A new paper in Monthly Notices of the Royal Astronomical Society argues the simplest answer may work: contact binaries like ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Learn why some icy objects inhabiting a remote region beyond Neptune look like snowmen.

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised ...