Physicists call the dark energy that drives the universe “the cosmological constant.” Now the largest map of the cosmos to date hints that this mysterious energy has been changing over ...

Create a whimsical escape with a DIY dark-themed fairy house cottage, made from cardboard. In this guide, learn how to build an enchanting tree house, with a mysterious yet magical aesthetic ...

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and ...

Typical features are hundreds of millions of light-years across. (Image credit: ACT Collaboration) A new map of the cosmos shows the distribution of mysterious dark matter in sharp detail.

Mysterious phenomenon at the heart of the Milky Way could point to new dark matter suspect. 'We may have been overlooking its subtle chemical effects on the cosmos.' Story by Robert Lea • 1mo ...

Get ready for a new Roman Empire: A NASA space telescope will detect a staggering wealth of intricate gravitational lenses that could help unlock the mysteries of dark matter.

The findings bring astronomers another step closer to unmasking the mysterious nature of dark energy, which may mean that the standard model of how the universe works could also require an update ...

Researchers may have found a new way to investigate dark energy. Gravity is pulling the Milky Way and our next-door-neighbor galaxy closer an closer together, but dark energy is trying to keep ...

Dark matter is thought to account for around 85% of the "stuff" in the cosmos, but despite its ubiquity, scientists can't "see" it as they do with a great deal of ordinary matter.