Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The solar system is our cosmic neighborhood ... and the many fascinating objects it contains. The solar system is a collection of celestial objects bound to the sun by gravity.

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

The James Webb Space Telescope has observed surface ice methanol — a key building block for organic compounds necessary for life, including sugars — on trans-Neptunian objects.

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

scientists and their collaborators discovered new insights into the formation of distant icy objects in space beyond Neptune, offering a deeper understanding of our solar system's formation and ...

When you buy through links on our articles ... other three large objects in the belt are likely primordial and have survived for billions of years. They believe that Vesta was on its way to becoming a ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's interpretation of a trans-Neptunian object. | Credit: Artwork: NASA, ESA, and G.