A distant galaxy nicknamed "Cosmic Grapes" is bursting with massive star-forming clumps — far more than expected — offering fresh clues about how galaxies grew in the early universe.
The image reveals over 2,500 galaxies, many of which are seen as they were during the first billion years of cosmic history.
High-speed winds on exoplanet WASP-17b may align quartz crystals in its atmosphere and create dazzling light effects like "sun dogs."
The James Webb Space Telescope's investigations of the planetary nebula NGC 6072 suggest a second star played a hand in sculpting the death of the primary star.
Webb has been orbiting more than a million miles from Earth, capturing breathtaking images of deep space. But how does it actually work?
The James Webb Space Telescope (JWST) is celebrating three years of transformational science with a striking new image of the Cat's Paw Nebula.
It's another step on the road to one day discovering what dark matter could be.
"These small galaxies punch well above their weight."
Simultaneously cooling Pluto while energizing atmospheric molecules to allow them to escape into space, Pluto's haze plays a key role in the planet's energy balance.
Astronomers unveiled the James Webb Space Telescope's largest view yet of the early universe in a richly detailed catalog of nearly 800,000 galaxies.
