Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system ...

The James Webb Space Telescope has turned up a world that looks more like a squeezed citrus fruit than a planet, a distorted ...

U.S. astronomers say they have detected a swirling disk of dust around a star that could unveil more about how planets form. Using the infrared Spitzer Space Telescope, researchers at the ...