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The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas ...

NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in ...

Hubble has turned its sharp gaze on a compact, intensely blue dwarf galaxy about 13 million light years away, revealing a ...

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

A black hole the mass of at least ten million suns is tearing through space, fast enough to escape its home galaxy. As it ...

These are very beautiful pictures of cosmology, which helped us understand the movements in space. Various gases came ...

How galaxies assemble their stars and grow over billions of years remains one of the central questions in astronomy. Recent ...

On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon ...