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 ...

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

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

Imagine you fly into a wormhole... Would you ever hear back? Where would you end up? Back in time? Another galaxy? Here's what would happen if a wormhole formed in our Solar System.

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

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 ...

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

Titan, the largest moon of Saturn, may have been even more instrumental to the system’s evolution than we thought, forming ...

Saturn’s largest moon, Titan, is one of the solar system’s oddities. Now, researchers have unlocked key insights about this ...

Astronomers have puzzled for years over a strange pattern in the outer solar system. A surprising number of icy bodies far beyond Neptune resemble snowmen, made of two rounded lobes stuck together.