The leading idea is that gravity arises from the exchange of hypothetical "graviton" particles, much like electromagnetism arises from the exchange of photons. However, gravitons have always...

The leading idea is that gravity arises from the exchange of hypothetical “graviton” particles, much like electromagnetism arises from the exchange of photons. However, gravitons have always been considered too difficult to observe because they interact with matter very weakly, similar to neutrinos.

Study: https://www.nature.com/articles/s41467-024-51420-8