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

An international team of researchers has discovered that variations in brightness must be the result of complex weather, ...

James Webb Space Telescope has delivered stunning views of the "gravitationally distorted realms" of the El Gordo galaxy ...

For a brief window, Asteroid 2024 YR4 looked like a planetary hazard in the making. At up to 90 meters (295 feet) in diameter ...

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 ...

With measurement errors negated, what remains is the real and exciting possibility we have misunderstood the universe,” said Adam Riess, professor of physics and astronomy at Johns Hopkins University.

The cosmos is riddled with evidence that the universe began with an exotic, unfathomably rapid expansion, but scientists ...

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

More than 38,000 asteroids are known to be in Earth’s vicinity, including 973 “planet killers” of more than half a mile in diameter. Most pose no risk. But NASA estimates that only about 43% of nearby ...

Lawrence Livermore National Laboratory released this update on researchers' use of high performance computing resources to ...