Dark matter may be far more complicated than scientists once believed. A new study suggests it could consist of at least two ...

Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with normal matter. This self-interacting dark matter may trigger a dramatic ...

Four-telescope astronomical observatory is at the heart of the first space exploration to be led by the country ...

Readers of this paper will probably need no reminder that most of the universe is missing. The atoms and light you see—from people to planets, stars and galaxies—make up just 5% of the universe. The ...

Dark matter is the invisible stuff making up around 85% of the universe’s mass. Like its name, dark matter is “dark” and doesn’t absorb, emit, or reflect light. And crucially, dark matter has yet to ...