Astronomers are closing in on what looks like a colossal missing piece of the Solar System, a giant planet that appears to ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

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