Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

The James Webb Space Telescope is uncovering galaxies that formed just hundreds of millions of years after the Big Bang, some more than 13 billion light-years away. By capturing faint infrared light ...

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

The James Webb Space Telescope's Near Infrared Camera (NIRCam) captured a massive stellar jet in the Sharpless 2-284 (Sh2-284 ...

The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14 ...

Previous Spitzer studies have indicated the formation of complex molecules in the Helix Nebula.

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather ...

The Nancy Grace Roman Space Telescope, set to launch in May 2027 with a 288MP camera, will “unveil the cosmos to the edge of the observable universe” ...

Interstellar comet 3I/ATLAS has triggered fevered speculation after the James Webb Space Telescope detected an "out of order" burst of methane in its coma, puzzling even seasoned astronomers. While a ...

NASA has hailed a mind-boggling image depicting the most distant galaxy we’ve ever seen. It was captured by the James Webb Space Telescope, allowing you to stare back in time closer than ...

As gas falls toward a black hole, it heats up and shines. If the glow becomes intense enough, it can push incoming gas away. Astronomers call this balancing point the Eddington limit, and for decades ...

The James Webb Space Telescope has observed the earliest galaxy ever recorded, only 280 million years after the Big Bang.