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

A compass needle points north. Almost everyone knows this and almost nobody knows what ...

An international team of astrophysicists and plasma physicists has provided the first experimental evidence that strong ...

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 ...

Measuring faint magnetic fields is useful in a number of areas, including mapping brain activity, monitoring hearts and probing fundamental physics. Typically, picking up such weak signals requires ...

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

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Life on Earth may exist thanks to a brief faltering in our planet's ...

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 ...

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 ...