Discover 25 space anomalies that even NASA can't explain, from dark matter to the Great Attractor. Explore the universe's ...

Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

Repulsive gravity at the quantum scale would have flattened out inhomogeneities in the early universe First light The cosmic microwave background, as imaged by the European Space Agency’s Planck ...

For more than 300 years, Isaac Newton's simple rule about gravity has held up: the farther apart two objects are, the weaker ...