We’ve been told by science that the universe is expanding relentlessly, driven by a mysterious force called dark energy.

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

For nearly three decades, the scientific community has believed that dark energy (comprising roughly 70% of the universe) acts as a kind of anti-gravity force pushing galaxies apart at an ...

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of its least understood components may be interacting, offering a rare window ...