Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

To progress to the next level in understanding reality, we need to combine quantum mechanics and Einstein’s general ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

With support from the W. M. Keck Foundation, a Stevens–Yale collaboration is now transforming graviton detection from a ...

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, ...

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 ...

The universe’s accelerating expansion has long puzzled physicists. For decades, dark energy, an unseen force thought to make ...

The attack appeared to be the latest targeted assassination of a senior military official inside Russia’s borders. By Ivan Nechepurenko A senior Russian general was killed on Monday in Moscow after a ...

With senior Russian general Fanil Sarvarov dying in a Moscow car blast, Russia's federal investigators are looking into possible involvement of Ukrainian intelligence services. A Russian general was ...