The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

Scientists say the phenomenon could “hint at” new particles or interactions between known particles that haven’t been ...

The standard model, although successful in the explanation of cosmic microwave background radiation and the large-scale structure of the universe, relies on unobservable entities ... the would-be ...

Scientists Take “Baby Picture” of the Infant Universe and Then Weigh It. Here’s What Its First 380,000 Years Tell Us If today's Universe were an adult human, at 380,000 years old it would be ...

The largest-ever 3D map of the cosmos hints that the dark energy that’s fueling the universe’s expansion may be weakening. One community of theoretical physicists expected as much.

How Do We Know There Is Anything Beyond The Observable Universe? One team claims to have seen the influence of matter beyond the observable universe.

Why is the observable universe so big? Here's why the universe’s size isn’t constrained by the speed of light.

“One way to think of a multiverse is just to say: ‘Well, the universe might be really, really big – much bigger than our observable universe – and so there could be other regions of the ...