What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...

Explore 25 universe mysteries scientists are still scratching their heads over, from dark matter to the Big Bang's secrets.

We have not been able to detect dark matter yet, even though there are many aspects of the universe that suggest the existence of invisible matter. In one new theory, it is possible that dark matter ...

Astronomers have unveiled the largest-ever galaxy cluster catalog, a monumental achievement that could unlock new insights into the dark universe by mapping cosmic structures on an unprecedented scale ...

The theme park gives the Universal Monsters stories that could clue us into their scrapped movie franchise. New data suggests the unknown, unobservable force responsible for the universe's expansion ...

Prologue: Cosmology's extraordinary new frontiers -- How far out can we see? : voyage to the edge of the known universe -- How was the universe born? : reavealing the dawn of time -- How far away will ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from dark-energy observatories. After expanding to its peak size about 11 billion ...

In the past, we at Nerdist have urged anyone who is a self-proclaimed weirdo and proud to visit Universal Orlando’s Halloween Horror Nights. These incredible seasonal events create the perfect place ...