China is poised to start building the world’s first fusion-fission hybrid power plant, with the goal of generating 100 megawatts of continuous electricity and connecting to the grid by the end ...

Dark spots on the skin are usually not a cause for concern, but some people may choose to get rid of them for cosmetic reasons through laser treatment, microdermabrasion, and other methods. Dark ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous—it makes up nearly 70% ...

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half.

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark energy is ...

The rest is composed of dark matter and dark energy, which are invisible but dominate the structure and evolution of the universe. Dark matter makes up most of the mass of galaxies and galaxy clusters ...