Steve covers military aviation, missiles and space for the Aviation Week Network, based in Washington. Born in a U.S. Air Force family, he grew up on military bases around the world and came to ...

The chart represents the caloric breakdown of the average person’s daily consumption. Swipe through the timeline to see how the source and distribution of calories has changed over the last fifty ...

Geomagnetism is the study of the dynamics of the Earth’s magnetic field, which is produced in the inner core. The Earth’s magnetic field is predominantly a geo-axial dipole, with north and south ...