For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have accounted for every interaction physicists can measure in a laboratory or a ...

Groundbreaking advances in solar and space physics have provided key insights into the inner workings of the heliosphere, the vast protective bubble formed by the solar wind that extends from the Sun ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...