“Clearly the sun is not a good standard star for the discussion of stellar activity,” Böhm-Vitense wrote. But she wondered if ...

While an MRI machine uses a magnetic field of about 1 tesla, new simulations propose a method to generate a field a million ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

Add Yahoo as a preferred source to see more of our stories on Google. Over 11 years of satellite data reveal that Earth's magnetic field is reshaping. (CREDIT: Shutterstock) More than a decade of ...

Add Yahoo as a preferred source to see more of our stories on Google. The Earth's magnetic field deflects particles emitted by the Sun. Mark Garlick/Science Photo Library via Getty Images The Earth's ...

Every year, millions of migratory birds travel between different geographical regions on Earth to find food, escape cold ...

The sun frequently flings plasma into space, but sightings of such eruptions on other stars are rare. Magnetic fields could explain why.

An illustration of the sun's magnetic fields overlaid on an image of the sun captured by NASA's Solar Dynamics Observatory in 2016. NASA / SDO / AIA / LMSAL The sun’s magnetic field could form much ...

The northern lights may be visible overnight from up to 10 northern U.S. states on Thursday, April 9, into Friday, April 10, ...

Every so often—every 250,000 years on average—the Earth's magnetic poles reverse polarity. If such a reversal happened today, compass needles would point south rather than north. Here, view a computer ...