When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Webb Telescope spots a carbon-rich disk around a distant planet, CT Cha b, offering rare clues to how moons may form.

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the ...

Now, thanks to NASA’s James Webb Space Telescope, scientists have made the first direct measurements of one such disk around ...

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...

Webb Telescope is investigating the formation of moons around a massive planet. Astronomers are using the data to study the ...

Explore WebbScienceGoddard Space Flight CenterNASA's Webb Telescope… WebbNewsLatest NewsLatest ImagesWebb's BlogAwardsX (offsite - login ...

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from Earth, may actually be easier than finding a white cat in a snowstorm. A ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in Research Notes of the AAS, a non-peer reviewed publication from the American ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research. The newly ...