Re: “Trump ends annual report on U.S. hunger amid rising food insecurity” (Sept. 21, Nation): Are we coming to an information dark hole? I have always taken for granted the availability of statistical ...

For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the bending of space and time. Subscribe to our newsletter for the latest ...

If dark stars existed, they would have been capable of forming in the universe before ordinary stars could have formed. When ...

A team of researchers says black holes may serve as the perfect test bed for finding dark matter. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A new study by researchers at the University of Amsterdam shows how gravitational waves from black holes can be used to reveal the presence of dark matter and help determine its properties. The key is ...

Dark matter is one of the biggest puzzles in science. Although it makes up about 85 percent of all matter in the universe, it has never been directly observed. You can’t see it, touch it, or hold it ...