A telescope looking for dark matter discovered 139 new minor planets lurking beyond Neptune's orbit, which could help scientists look for hidden planets in the outer solar system.
The faint, 12-billion-year-old signal would lead scientists to the very first stars and illuminate the origins of the modern universe, dark matter, and, well, everything.
Can one of Einstein’s forgotten theories solve the riddle of why 95 percent of the stuff in the universe appears to be missing?
An abandoned gold mine in South Dakota and the dry desert of Chile are two key sites where the scientific work is happening.
Mark Halpern and his team are in a race against time to study dark energy's role in the expansion of our universe.
Advanced timekeeping could help unify quantum and gravitational physics, predict earthquakes, and navigate in deep space.
Watch Verlinde deliver a talk on his "new view" on gravity tonight.
Timescape cosmology offers a way around one of the universe's best mysteries.
Dark energy is driving the accelerating expansion of the universe. No one knows what it is.
It’s the largest void known to science.
It doesn’t have to be this way.
The results of a new study are close, but slightly faster than, the generally accepted rate.