A distant, icy body circling the Sun far beyond Neptune has handed astronomers a fresh puzzle. Designated 2023 KQ14 and ...

One of the coldest planetary-mass objects ever discovered has finally revealed its secrets. After years of failed attempts using ground-based telescopes, astronomers used the James Webb Space ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A distant exoplanet that shouldn't be there anymore has continued to ...

Astronomers have uncovered the chemical profile of a very pink planet, potentially solving a decade-old mystery about its ...

Researchers at the California Institute of Technology (Caltech) have found new evidence that further suggests there is a ninth planet in our solar system. Nicknamed "Planet Nine," researchers said ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An image of dwarf planet ...

NASA’s James Webb Space Telescope (JWST), along with help from its tried and true sibling Hubble, have given researchers the data needed to explain why some giant gassy exoplanets are so puffy.

An international research team used the Atacama Large Millimeter/submillimeter Array (ALMA) to observe disks around 19 protostars with a very high resolution to search for the earliest signs of planet ...

FILE - Artist's concept of a hypothetical planet orbiting far from the Sun. Nicknamed "Planet Nine," researchers said that the most recent data shows something big is able to pull objects from outer ...