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

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

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

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

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

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

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

In 1950, during one of four public lectures titled “Science as an Element of Humanism,” Erwin Schrödinger, one of the founders of quantum mechanics and a Nobel Prize in Physics laureate, reflected on ...

NASA shared some new infrared images of the 3I/ATLAS interstellar comet this week, showing the visitor brightening up in a dramatic outburst while exiting a solar system. The images were taken by the ...

Jupiter, the solar system's colossal gas giant, has long been known as the largest planet, capable of holding over 1,300 Earths within its vast hydrogen-helium bulk. New measurements from Nasa's Juno ...

ESA’s Jupiter Icy Moons Explorer (JUICE) that was launched in 2023 will take about 8 years to arrive at the jovian system after several gravity assists. Credit: Space.com | animation courtesy: ESA / ...