For scientists, learning more about how black holes behave is essential to understanding how the universe works. A recent ...

Ten years ago, astronomers made history when they first detected ripples in spacetime, called gravitational waves, from the ...

A strange “Einstein Cross” with an extra, impossible fifth image has revealed the hidden presence of a massive dark matter ...

We often marvel at the genius of Albert Einstein, a physicist who revolutionized our understanding of the universe. Yet, even ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

For more than two decades, astronomers have wrestled with one of the biggest mysteries in science: what is driving the ...

When gravity—an invisible yet ubiquitous force—bends and distorts light from distant galaxies, Earthbound observers get a ...

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this ...

Astronomers have made a discovery that looks like something out of science fiction: a rare “Einstein Cross” with an extra ...

Einstein’s theory of special relativity tells us that for a moving object, time passes more slowly than for a stationary ...

Ten years ago, science confirmed one of Albert Einstein’s most elusive predictions: the existence of gravitational waves. Now ...

In a landmark achievement, astronomers have noticed light bending in an unexpected manner, one that doesn’t align with the predictions made by Albert Einstein’s theory of general relativity. This ...