In 'A History of the United States in 100 Objects,' Mars will speak with historians and journalists about the human stories ...

The existence of these elusive objects, known as dark galaxies, has long been predicted by the Lambda Cold Dark Matter model, which describes how matter in the universe forms structures.

Invisible objects including dark matter and interstellar debris may be constantly passing through our solar system without detection raising new questions about our cosmic environment Trump Tower is ...

When a gravitational lens magnifies a background galaxy, why don't we see the object doing the lensing, as we would if ...

Metamaterials are carefully engineered materials that possess desirable properties and can be used to manipulate ...

A new study suggests that decaying dark matter may have helped create the universe’s first supermassive black holes much ...

Find out what's up in your night sky during May 2026 and how to see it in this Space.com stargazing guide. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

In popular imagination and in science fiction, black holes are places of intense gravity, kind of like cosmic vacuum cleaners ...

Supermassive black holes are among the most enigmatic objects in the universe. They typically weigh millions or even billions of times the mass of the sun and sit at the centers of most large galaxies ...

No theory could explain the slight excess of far-ultraviolet light in the Milky Way until now.

We all know that everything kicked off when the Big Bang exploded our universe into reality, right? Well, not necessarily. A ...

Black holes that formed before the Big Bang could still exist today as ‘cosmic fossils’, potentially helping to explain the mysterious dark matter that shapes galaxies across the Universe, according ...