A new theory suggests the universe is constantly recording its own history in the fabric of spacetime. If correct, this ...

Fusion is a natural phenomenon that provides our planet with much of its energy—generated millions of miles away in the center of our sun. Here on Earth, scientists are trying to replicate the hot and ...

Dark energy makes up roughly 70% of the universe, yet we know nothing about it. Around 25% of the universe is the equally mysterious dark matter, leaving just 5% for everything that we can see and ...

The Kardashev Scale, first proposed by Russian astronomer Nikolai Kardashev, measures the technological advancement of civilizations by the amount of energy they can harness and use. In its original ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. When you purchase ...

There are many mysteries in science. What is dark matter? Why are we conscious? Are we alone in the universe? But none looms larger in the mind of the average adult than this: why am I so exhausted ...