If you looked up in the sky Thursday in the Chicago area, chances are you might have witnessed a seemingly unusual sight. Viewers started reporting to NBC Chicago Thursday afternoon what they called ...

WASHINGTON (Reuters) - It is a planet astronomers say probably should not even exist. Researchers said on Monday they have spotted a truly extreme planet beyond our solar system, a blazingly hot world ...

New research is focusing on the sulfuric-acid clouds of Venus as a potential abode for life. The new Venus study calls for the start of a new branch of astrobiology and a new branch of organic ...

Don't worry, we're not being invaded by aliens — not yet anyway; this "UFO" is nothing more than a rare cloud. Looking like something out of an alien invasion movie, the massive 'lenticular cloud' ...

The James Webb Space Telescope has made the first direct analysis of clouds on a nearby alien world. These aren’t just made of water vapor but also sand, which would move around the planet much like ...

These noctilucent clouds, reflecting light from the sun after sunset, have been visible in Martian skies for the past four fall seasons. Credit: NASA / JPL-Caltech / MSSS A rover got a new view of ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

The latest storm to sweep across western Washington cut power to thousands and caused tree damage. by Scott Sistek Lenticular clouds have been known to put on some dazzling displays around here, and ...

James Webb Telescope: The most ambitious and powerful space observatory ever built is set to launch Researchers believe that there could be potential lifeforms producing ammonia in the clouds of Venus ...