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.

Related: Earth got hammered by cosmic rays 41,000 years ago due to a weak magnetic field The existence of a magnetic field is crucial for the development of life on Earth, with field lines warding ...

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 ...

How did she navigate around a trackless wilderness ... the angle at which magnetic field lines intersect the Earth. The turtles use these two pieces of information, which vary at every point ...

Most of the time, the Earth and Sun’s magnetic fields are misaligned, leaving our planet’s field less open to the ...

"EZIE is the first mission dedicated exclusively to studying the electrojets," Larry Kepko, an EZIE mission scientist at NASA's Goddard Space Flight Center in Maryland, said in a statement. "It does ...

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.

They fill the sky with stunning shades of green, yellow, purple and more, which appear to dance around. But without the Earth’s magnetic field we wouldn’t be treated to such a dazzling display.

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