Ripples in space-time from a pair of merging black holes have been recorded in unprecedented detail, enabling physicists to test predictions of general relativity ...

On January 14, 2025, the Laser Interferometer Gravitational-wave Observatories (LIGOs) recorded a cosmic tremor unlike any before. Named GW250114, the signal was the ‘loudest’ gravitational wave ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth. Of the more ...

China’s military parade projects Xi Jinping’s strongman image, but the show of unity could mask tensions from his relentless purges, as analyst Drew Thompson observes. Photo: Photo: Photo: ...

There’s an adage coined by [Ian Betteridge] that any headline ending in a question mark can be answered by the word “No”. However, Lorentz invariance – the theory that the same rules of physics apply ...

Moscow — A Russian general was killed Monday morning when an explosive device detonated underneath his car in Moscow, and investigators said Ukraine could be behind the attack, the third such killing ...

MOSCOW, Dec 22 (Reuters) - A Russian general was killed by a car bomb in southern Moscow on Monday, Russian investigators said, adding that they suspected Ukrainian special services could have been ...

A Russian general has been killed in a car bombing in Moscow, with officials pointing the finger at Ukraine for the latest apparent assassination of a senior military officer. Lt. Gen. Fanil Sarvarov, ...

110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...

The earliest test of Albert Einstein’s general theory of relativity took place just four years after he published it. During the May 29, 1919, total solar eclipse, British astronomer Sir Arthur ...

Recent advancements in observational techniques have led to the capture of high-resolution images of black hole shadows, which are challenging the completeness of Einstein’s general theory of ...