Are we doomed?
A jet stream within the Earth's molten iron core has been discovered by scientists using the latest satellite data that helps create an 'x-ray' view of the planet.
Magnetic reconnection, a universal process that sets off solar flares, northern lights and cosmic gamma-ray bursts, occurs so much faster than theory says should be possible. Now this puzzle could be solved.
MMS now holds the Guinness World Record for highest altitude fix of a GPS signal.
Inner compass helps roe deer plan their escape.
This is a critical step in understanding space weather.