Astronomers have identified a remarkable population of distant quasars whose radio jets balloon to scales that make our own ...

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

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 ...

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

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

They rely on detailed and precise images of distant space to better understand our universe.Already, many of those images ...

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

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

New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters ...

Using data from NASA’s Transiting Exoplanet Survey Satellite, astronomers detected faint “starquakes” rippling through the ...

For around a year now, the Sidewalk Astronomers have been meeting regularly in D.C. to show people that gazing at the stars ...