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

“3I/ATLAS presents a new opportunity to study an interstellar object, and observations in X-ray light will complement other observations to help scientists figure out what it is made of,” ESA ...

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

In the early months of 2026, skywatchers around the world will have a rare chance to see six planets lined up in the morning ...

For the first time, astronomers have mapped the vertical structure of Uranus’ ionosphere, uncovering unexpected temperature ...

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

A new 3D map of Uranus is shedding light on one of the solar system's most mysterious planets. Using NASA's James Webb Space Telescope, scientists observed the ice giant for nearly a full rotation, ...

Jupiter, without a doubt, is the biggest planet in our solar system. But it turns out that it is not quite as large — by ever ...

At a glance, Saturn’s rings appear calm and pristine when observed from afar. These rings are quite narrow and consist mainly of water ice particles that uniformly circle Saturn in a symmetric ...

Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University ...

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, ...