When an electric current passes through a metal wire, a magnetic field forms around that wire (see diagram ... and generators to operate. In the Earth (see image below right), the liquid metal ...

Researchers mapped the movement of Earth’s magnetic field lines during the event and produced ... appearance of figurative art in caves around the world.

The magnetic north pole, where compass needles point, is about 1,200 miles south and is where geomagnetic field lines are vertical. Earth’s magnetic ... iron sloshes around in the planet ...

A new study reports that researchers have successfully used a meticulously designed cylinder to harness electricity as it ...

Experiments suggest an unusual magnetic material could help harness energy from Earth’s rotation. But not everyone is ...

Since its launch on March 12, 2015, NASA’s MMS, or Magnetospheric Multiscale, mission has been rewriting our understanding of magnetic reconnection, a key physical process that is important across the ...

The planet's magnetic North Pole ... ball of molten iron going around in the middle of the earth that generates the magnitude," William Brown, a geomagnetic field modeler at the BGS, said to ...

Just when you though it was safe to venture out, the National Oceanic and Atmospheric Administration released an unexpected update. Magnetic North is on the move — faster than expected.

The Analyzer for Cusp Electrons (ACE) is designed to measure electron activity in the region of the northern magnetospheric ...

Most of the time, the Earth and Sun’s magnetic fields are misaligned, leaving our planet’s field less open to the aurora-causing effects of the solar wind. However, towards the equinox, the two fields ...

Some animals that migrate across the globe, such as birds, salmon, lobsters and sea turtles, are known to navigate using the magnetic field lines that stretch from Earth's North to South ... they ...

High above Earth's poles ... However, the electrojets create a magnetic field that can split apart that 118 gigahertz emission line in a process called Zeeman splitting. The stronger the magnetic ...