A value called Bz indicates how far south the solar wind's magnetic field is pointing, which can predict how likely the northern lights are to occur.

NASA astronaut Don Pettit captured both an aurora and a docked SpaceX Dragon spacecraft at the International Space Station ...

A health-check for the planet – the report includes the Living Planet Index, which tracks how species populations have fared around the world over a 50-year period. Together with other indicators, the ...