Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Scientists suggest that a fifth, hidden force linked to dark energy may exist in the solar system but has not yet been ...

The idea of a planet orbiting two suns has long captured both scientific curiosity and public imagination. Popularised by science fiction, such worlds, known as circumbinary planets, do exist, and ...

There are two main types of screening models. The first is called the “chameleon” model. In this scenario, a hypothetical ...

Gravity, electromagnetism, the strong nuclear force, the weak nuclear force. For decades, physicists have recognized exactly ...