Voyager 1 continues to send fascinating data from the outer reaches of our Solar System. These transmissions reveal strange ...

New observations of the interstellar comet 3I/ATLAS include the first measurement of the abundance of deuterated water ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of the outer solar system. The object was found as ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

After more than 20 years of planning and construction, astronomers celebrated the release of the first images from the Vera C. Rubin Observatory today — and also registered hundreds of the first ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. 2023 KQ14, nicknamed “Ammonite,” is a trans-Neptunian object ...