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

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

For decades, physicists have believed they had identified the fundamental forces shaping the universe, gravity, ...

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...