For a brief window, Asteroid 2024 YR4 looked like a planetary hazard in the making. At up to 90 meters (295 feet) in diameter, it was described as a potential “city killer.” On its estimated ...

Astronomers used the powerful James Webb Space Telescope to peer into this object flying by itself through our Milky Way ...

Previously thought to be defined by simple cloud patterns, NASA's JWST has unveiled the astonishing complexity of SIMP 0136, ...

Astronomers have long believed that planet-forming disks—clouds of gas and dust around young stars—last only about 10 million ...

Editorial written by Bloomberg Opinion Editorial Board. For a brief window, Asteroid 2024 YR4 looked like a planetary hazard in the making. At up to 90 meters (295 feet) in diameter, it was described ...

"The operations work at STScI, NASA's Goddard Space Flight Center, and other NASA contractors is funded by the operational ...

A nearby galaxy is ablaze with new stars in a dazzling new image from the James Webb Space Telescope.

"Planetary-mass objects don't fit neatly into existing categories of stars or planets." Using the James Webb Space Telescope ...

The $488-million mission is set to map the sky in 102 colors of light, probing cosmic inflation, galactic ices, and the history of the universe’s first light.

The planet WASP-121b is extreme. Its a gas giant almost twice as big as Jupiter orbiting extremely close to its star50 times ...

A private lunar lander carrying a drill, vacuum and other experiments for NASA touched down on the moon Sunday.

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...