A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced Monday. The gas giants are ...

2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... TOI-1453: Sub-Neptune in System of ...

NASA’s Webb Space Telescope was finally able to capture bright auroras on Neptune—the most distant planet in our solar system ...

The findings suggest planets in a system 130 light-years away likely built up solid cores before attracting gas, much like our solar system’s gas worlds. Webb’s coronagraphs allow direct atmospheric ...

a fraction of our solar system's 4.6 billion years. Still hot from their violent formation, HR 8799 planets emit large amounts of infrared light that give scientists valuable data on how their ...

In this image, the color blue is assigned to 4.1 micron light, green ... a fraction of our solar system’s 4.6 billion years. Still hot from their violent formation, HR 8799 planets emit large ...