A new breakthrough in cosmic mapping has unveiled the structure of a colossal filament, part of the vast cosmic web that connects galaxies. Dark matter and gas shape these filaments, but their faint ...

A new study using NASA 's James Webb Space Telescope has revealed a variety of light coming from the black hole Sagittarius A* — or rather its accretion disk, the ring of rapidly spinning material ...

Observations revealed ongoing fireworks featuring short bursts and longer flares. Imagine solar flares, but magnified to an ...

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James Webb Space Telescope has now learned how this galaxy cluster does it.

We're 35 films deep into the Marvel Cinematic Universe. How does the new "Captain America" rank compared to "Ant-Man" or ...

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.

Most massive galaxies have black holes at their cores that emit energetic particles, heating the galaxy’s gas and dust.