The Einstein Probe, using its innovative lobster-eye X-ray telescope, has captured an ultra-rare celestial event — a bright X ...

An unusual elliptical galaxy with a history of absorbing smaller galaxies appears to be approaching its next target.

The $488 million observatory is set to launch at the end of this month on a two-year mission to map the entire celestial sky.

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 ...

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

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.

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

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

Despite its whimsical name, Quipu (pronounced “kee-poo”) is the largest confirmed superstructure in the universe to date in ...

Jupiter and Mars are high overhead, and they’re both bright enough to stand out. Jupiter looks like the second brightest star and it’s almost straight overhead. Mars is high in the eastern sky and ...

The Phoenix Cluster's central galaxy is about 5.8 billion light-years away and should be mostly done with star formation.

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.