Launched in 2021 after more than two decades of development, the James Webb Space Telescope (JWST) is the most powerful and advanced observatory ever created. Designed to peer deeper into space than ...

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius ...

The hunt for potentially habitable rocky planets in our galaxy has been the holy grail of exoplanet studies for decades.

Test your knowledge of the James Webb Space Telescope with our quiz! Discover facts about its mission, instruments, and ...

Learn how researchers may have discovered an exomoon about 635 light-years away orbiting gas giant exoplanet WASP-4b. Credits: NASA/JPL-Caltech ...

Astronomers have uncovered major size errors in TESS planet data, suggesting we’ve found fewer Earth-like exoplanets than we believed.

WASP-121b, an already unusual planet, might have a remote origin that explains some of its peculiar properties—from iron rain ...

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely ...

Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of conventional astronomy theory, and is making experts reconsider conventional ...

The Atmospheric Remote-sensing Infrared Exoplanet Large-survey (Ariel) telescope is to launch in 2029 and spend years ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has made yet another exciting discovery—but it never works alone. Thanks ...