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 ...

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 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 ...

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 ...

Earth's surface teems with quartz. But on a giant world 1,300 light-years away, quartz zips through the planet's clouds. "We were thrilled!" David Grant, a scientist at the University of Bristol who ...

"Venus is a hellish place of high temperatures and crushing air pressure," scientists once said in describing conditions on the second planet from the sun, but apparently its clouds contain the right ...

If you go outside, look up at the night sky, and see a cloud from another world, you might be in for one of the worst or best nights of your life. For the characters in Jordan Peele’s 2022 science ...