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

On June 16, 1888, Alexander Friedmann was born in St. Petersburg, Russia. An keen student from a young age, Friedmann studied mathematics and meteorology at St. Petersburg State University and the ...

As a massive black hole located 55 million light-years from Earth, the black hole at the center of M87 has a mass equivalent ...

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 ...

Researchers at Hiroshima University have developed a realistic, highly sensitive method to detect the Unruh effect—a ...

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a ...

Ten years after LIGO’s historical detection of gravitational waves, the project is cracking black hole mysteries at an ...

(THE CONVERSATION) Scientists first detected ripples in space known as gravitational waves from the merger of two black holes in September 2015. This discovery marked the culmination of a 100-year ...

Discovery joins a list of the greatest hits of the LIGO detector, which ten years ago became the first to detect ...

Spacetime ripples from a black hole collision across the cosmos have confirmed weird aspects of black hole physics ...

Abstract: We fabricated a curved complementary metal-oxide semiconductor (CMOS) image sensor to demonstrate field curvature aberration correction of lens without the use of multiple lenses. An ...