Interstellar comet 3I/ATLAS, which originated outside our solar system, has reportedly confirmed one of Albert Einstein's ...

Two recently observed black hole mergers, occurring just weeks apart in late 2024, have opened an extraordinary new window ...

Researchers are using black hole “shadow” images to test whether Einstein’s relativity remains unshakable. With ...

Twin black hole collisions detected in 2024 have provided the sharpest-ever test of Einstein’s theory while revealing new details about how black holes form and spin.

The earliest test of Albert Einstein's general theory of relativity took place just four years after he published it. During ...

For the first time, scientists have detected two black hole mergers with spins so unusual they may reveal a new generation of ...

Interstellar object 3I/ATLAS has seemingly confirmed Einstein's general relativity by exhibiting gravitational lensing as it neared the Sun. However, the observed light bending exceeded predictions by ...

Learn about two black hole mergers in 2024 that experts revisited with new information from gravitational waves, confirming ...

Researchers detect the clearest black hole signal to date, enabling tests of Hawking's area theorem and advancing ...

Two Caltech historians associated with the Einstein Papers Project have gathered together what they consider to be the most important of Einstein's ...

Black holes are considered cosmic gluttons, from which not even light can escape. That is also why the images of black holes ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...