The James Webb Space Telescope, the most powerful observatory ever launched, orbits the Sun about a million miles from Earth, ...

Light from a distant galaxy has travelled for more than 12.5 billion years to reach Earth, allowing astronomers to see the ...

The host galaxies are also very small, only 40% of the size of typical galaxies at this early stage in the universe (or about ...

Because the planets in our solar system are so bright, they flood the telescope's sensors with more light than they can ...

James Webb Space Telescope is finding that between the brightest stars, the cosmic skyscrapers, there are much fainter stars, meaning early galaxies are more massive than we believed.

Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic makeover that transformed the early universe into the one we know today. White ...

Freshly spotted, but probably already dead.

Since the James Webb Space Telescope started collecting data in 2022, it has found puzzling objects dubbed little red dots. A ...

In a stunning astronomical achievement, the James Webb Space Telescope has unveiled a new gas giant, Beta Pictoris d, nestled in the Beta Pictoris system. Previously obscured by swirling dust and ...

New images from the James Webb telescope show a galaxy with a trio of supermassive black holes. Two of them appear to be locked in a tight tango.

When NASA launched its $10 billion James Webb Space Telescope in 2021, scientists hailed the mission as the greatest achievement of its kind in over three decades. Soon, however, scientists noticed a ...

In the Lion Nebula, the oxygen-rich central star has died and left behind a white dwarf that is effectively “cooking” the ...