A distant cluster of galaxies is wrapped in a vast halo of high-energy particles that could be the work of supermassive black ...

Astronomers have discovered a galaxy that has been "frozen in time" for billions of years. Like a celestial dinosaur fossil, ...

LOFAR detects a faint radio 'mini-halo' from 3.8 billion years ago, revealing how galaxy clusters evolved in the early ...

Astronomers have found a distant galaxy referred to as a cosmic fossil that has stayed virtually unchanged, or frozen in time ...

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...

Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Astronomers have unearthed a 'perfectly preserved' galaxy, offering insights into the universe's evolution and the birth of ...

Astronomers have confirmed the discovery of KiDS J0842+0059, a rare, ancient galaxy that has remained virtually unchanged for ...

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

Evidence that the universe is rotating was recently delivered by the James Webb Space Telescope (JWST), which found that ...