Since its launch in April 1990, the Hubble Space Telescope has been an invaluable tool for astronomers in unraveling the ...

A major survey verifies 3,500 gravitational lenses, offering new tools to map dark matter and track cosmic expansion.

Astronomers reveal new insight into an iconic supernova remnant's evolution, structure and pulsar-driven growth over 25 years ...

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

A luminous swirl set against the deep black of space, the barred spiral galaxy IC 486 glows with a soft, ethereal light in ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

NASA's XRISM X-ray spacecraft has clocked 2 million mph winds ripping out of a distant galaxy bursting with star formation.

Astronomers have spotted a galaxy so faint, it’s almost invisible — a discovery that could help illuminate one of the most elusive substances in the universe. The researchers found Candidate Dark ...

Deep in the digital bedrock of 35 years of Hubble observation archives, a new AI tool has uncovered more than 800 previously undocumented cosmic anomalies in a scant two and a half days. Using a ...

Cousins says he is “hopeful” that the findings of gravitational-wave cosmology will be able shed more light on the Hubble ...

Primordial magnetic fields may help explain why measurements of the universe’s expansion do not agree. Scientists have long known that the universe is expanding, yet there is still no agreement on how ...