A new possible explanation for the Hubble tension

The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values.

Is anything absolute with relativity?

The theory of relativity is at once simple and elegant but also maddeningly nonintuitive. There's no need to get into the full guts and glory of that theory here, but there is one feature of Einstein's work that takes center ...

Gravity goes lunar: Putting LESA to the test

Looking to the not-too-distant future when the European Service Module will propel European astronauts in the Orion spacecraft to the Gateway and on to the surface of the moon, scientists and engineers are eagerly exploring ...

Exploring gravity's effect on quantum spins

A joint research group led by Prof. Sheng Dong and Prof. Lu Zhengtian from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), investigated the coupling effect between neutron ...

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