The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

New observations from the James Webb Space Telescope have revealed unexpected features in the early universe, including ...

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

Cosmology’s neat story of a universe driven apart by a simple, invisible “cosmic fuel” is starting to fray. A growing body of ...

Dark matter, one of the Universe’s greatest mysteries, may have been born blazing hot instead of cold and sluggish as ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

Researchers from the University of Minnesota Twin Cities and Université Paris-Saclay have reopened one of cosmology’s oldest ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

Scientists have found hints that ghostly neutrinos may interact with dark matter. The unexpected link could help explain ...

Researchers claim to have used NASA's Hubble Space Telescope to discover an entirely new type of celestial object: dubbed ...

Our best models of the cosmos don't add up — but that could change if the universe is actually made of a viscous 'fluid,' a ...