How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

The slower growth of gravitational wells and the accelerating expansion might share the same underlying cause.” In so many ...

Jee compared dark matter to crystal-clear water in a pond, with pebbles as the galaxies. “You cannot see the water unless ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a ...

NASA’s James Webb Space Telescope has captured high-resolution images of the Bullet Cluster, revealing its complex dynamics.

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