The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

Scientists say about 10,000 new exoplanet candidates may be hiding in NASA data, after using artificial intelligence to scan millions of stars—including ones too faint to study before.

Exoplanets are planets that orbit stars other than the sun and thus exist outside the solar system. The word "exoplanet" ...