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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of galaxies curving the fabric of space-time in an expanding universe. A new ...

Cosmologists are quietly confronting a possibility that would have sounded absurd a generation ago: the standard picture of a ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

Cosmologists have long treated black holes and the Big Bang as separate extremes of physics, one swallowing light, the other birthing space and time. A provocative line of research now suggests those ...

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

In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding? Astronomers have tried two main methods to figure it out, but their numbers don’t ...

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

The Big Bang is often described as the explosive birth of the universe – a singular moment when space, time and matter sprang into existence. But what if this was not the beginning at all? What if our ...