A colossal cosmic filament, measuring 50 million light-years long, has been discovered spinning in deep space, astonishing ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of ...

An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Drawing on the University of Arizona’s renowned strength in interferometry, astronomers from Steward Observatory are leading ...

Astronomers have identified a remarkable population of distant quasars whose radio jets balloon to scales that make our own galaxy look compact, stretching to widths roughly 50 times larger than the ...

Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories ...

A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

At least some evidence suggests that NGC 2775 developed its odd shape after merging with other galaxies eons ago. While not ...

The observations are the earliest yet of a supernova, revealing in detail the moment that the shockwave obliterated the star.