Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.
The head of NOAA's El Nino team says it's not clear why this La Nina was delayed, but said it may have been influenced by the world's oceans being much warmer the last few years.
Oct. 11, whitish pillars of light rose into the sky over the barn at Donnelly’s Corners in Harrietstown. Rising from northern hardwood forests in Lake Clear, they glowed above the mountains. In his ...