The Moon’s two hemispheres have spent billions of years facing very different surroundings. Its far side looks away from ...

China’s Chang’e-6 samples have uncovered a surprising difference between the Moon’s two hemispheres. Solar wind particles ...

The moon has been bathed in solar wind for billions of years, but the two hemispheres are struck by solar wind of different ...

Late Monday evening, the European Space Agency’s Vega-C rocket lifted off from Kourou, French Guiana, carrying a spacecraft that promises to significantly enhance our understanding of space weather.

With its thin, atmosphere-like exosphere and a magnetic field only about 1% as strong as Earth’s, Mercury presents a striking contrast to our home planet. Yet, our understanding of our system's ...