“The Euclid data clearly confirm the presence of the extremely faint, diffuse light of CDG-2, revealing the galaxy behind the ...

It was based on observations from the James Webb Space Telescope, Gemini North Telescope, and NASA/ESA Hubble Space Telescope ...

A tight clump of four star clusters sits in the Perseus galaxy cluster, and at first glance it looks like nothing special. No ...

Using data from the Hubble Space Telescope, ESA’s Euclid space observatory, and Hawaii’s Subaru Telescope, the researchers discovered faint light emitting around the clusters. That light was clear ...

A stronomers report the discovery of a truly incredible object. They are calling it Candidate Dark Galaxy-2 (CDG-2), a ...

A team of astronomers has identified an extremely faint galaxy called CDG-2, located roughly 300 million light-years from Earth, where an estimated 99% of its total mass is made of invisible dark ...

A newly discovered galaxy with glowing star-filled "tentacles" is rewriting parts of cosmic history.

A rare jellyfish galaxy discovered by JWST is offering clues about how galaxies died in the early universe.

Looking for a sky event this week? Check out our full Sky This Week column. February 23: The Moon occults some Pleiads First Quarter Moon occurs at 7:28 A.M. EST. The Moon then reaches perigee, the ...

Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently found a very young... A galaxy cluster hotter than the surface of the sun ...