A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

Galaxy Alaknanda challenges long-held theories of galaxy formation, which maintained that stable spiral galaxies could only ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of our galaxy might be more suitable for life than others ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to ...

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

Astronomers have discovered one of the largest rotating structures ever seen in the universe: a razor-thin line of galaxies ...