How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

The image took nine snapshots and 120 hours of observing time; it is currently the longest exposure yet from JWST. As the ...

Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational ...

JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how ...

Black holes continue to grip our imagination. These cosmic powerhouses twist space and time so intensely that even light ...

Stunning new deep-field imagery captured by NASA’s James Webb Space Telescope reveals one of the universe's most distant ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

The record-breaking galaxy is revealing secrets about the first stars and their unexpected chemical fingerprints.

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

The sun is not a mirror, but it is a lens. And we understand it's a lens through the magic of gravity. When Einstein developed general relativity, he realized that gravity can strongly bend the ...

The NASA James Webb Space Telescope captured a stunning image of an Einstein ring, an optical phenomenon created by gravitational lensing. This rare sight, caused by light from a distant galaxy ...

The James Webb «Space Telescope» took a picture of a gravitational lens with a very unusual shape that creates the effect of an Einstein ring. The European Space Agency (ESA) has named this lens the ...