No one expected these glittering bits among the gray lunar dust back then. The beads, smaller than grains of sand, formed ...

Dusty clouds made of sand—that may rain iron—blanket a giant planet orbiting a young, sun-like star just 310 light-years from Earth, the James Webb Space Telescope has revealed. The discovery was made ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has uncovered a key piece of the puzzle in how rocky planets, such as ...

New images from the JWST are about as close as we've ever come to seeing the sky of an alien world outside the Solar System.