The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...

High-resolution images may help scientists understand the ‘gravitational scaffolding into which everything else falls and is ...

“By revealing dark matter with unprecedented precision, our map shows how an invisible component of the Universe has ...

Now physicists from the University of Washington are taking a big swing at answering that question. All matter exerts gravitational force. The more mass the object has, the greater the force. Yet, a ...

The universe has no shortage of mysteries, many of which have puzzled us for ages. One of the biggest is the existence of something called dark matter. First theorized in 1933 by Fritz Zwicky, dark ...

Pulsating remnants of stars hint at a clump of invisible matter thought to be about 10 million times the sun’s mass.