It's a monumental head-scratcher known as the 'grandfather paradox', but a few years ago physics student Germain Tobar, from ...

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could ...

An Apple study has found that artificial intelligence models get confused by irrelevant information in math problems.

Ekert said that this statistical codebreaking technique was developed in the 9th century by the Arab polymath Al-Kindi. This ...