Alfvén waves, first proposed 80 years ago, could explain why the sun’s atmosphere is so much hotter than its surface.
The interaction of solar winds and the Earth’s atmosphere produces the northern lights that dance across the night sky.
It has only been in the past century that weather prediction on Earth has advanced enough to work two weeks in advance. Predicting space weather, however, is only reliable an hour in advance.
Researchers have found the first Australian evidence of this global event, during which people on Earth would have witnessed a multitude of spectacular auroras.
Some birds may effectively possess an in-built, global GPS system.
brizmaker/iStock/Getty Images Plus
Shifting from fossil fuels to electricity is climate-friendly, but serious cooks don’t think much of electric stoves. Will induction cooking finally catch on as an alternative?
Himalayan rocks hold magnetic clues about their origins.
Craig Robert Martin
Earth’s magnetic field locks information into lava as it cools into rock. Millions of years later, scientists can decipher this magnetic data to build geologic timelines and maps.
Photo of a nearly full Moon shining brightly on the Earth’s atmosphere, taken from the International Space Station.
The Earth’s magnetic field was most likely weaker when life evolved on our planet than it is today.
St Helena, where Earth’s magnetic field behaves strangely.
The Earth’s magnetic field is a lot weaker than we would expect around the island of St Helena.
It’s long been a mystery how fast the Earth’s magnetic field changes.
Changes in the Earth’s magnetic field pose a great risk to electronic infrastructure.
Very rarely, depending on where you are in the world, your compass can actually point to true north.
Recently, magnetic compasses at Greenwich pointed directly at true north for the first time in 360 years. This is currently happening in Western Australia too. But what does it mean?
Northern lights in Lake Lappajärvi, Finland.
As the Earth’s magnetic north pole heads towards Siberia, concerns have been raised that the northern lights could move with it.
This sounds like a good idea at first, but it’s not very practical.
Image Credit: NASA/Mark Vande Hei
Even fridge magnets have magnetic fields approximately 200 times stronger than Earth’s.
Do you have a magnetic compass in your head?
Your brain’s sensory talents go way beyond those traditional five senses. A team of geoscientists and neurobiologists explored how the human brain monitors and responds to magnetic fields.
The orientations of the stone walls that crisscross the Northeastern U.S. can tell a geomagnetic tale as well as a historical one.
Scientific inspiration struck a geologist after many walks through the woods in New York and New England. These ruins hold the secret of where the compass pointed north when they were built centuries ago.
An artist’s impression of electrons orbiting the nucleus.
Roman Sigaev/ Shutterstock.com
What shape is an electron? The answer, believe it or not, has implications for our understanding of the entire universe, and could reveal whether there are mysterious particles still to be discovered.
Solar flares captured on the Sun.
When dozens of US mines planted in waters off the Vietnam coast detonated almost simultaneously in 1972, all eyes turned to the Sun for an explanation.
The Earth has a powerful magnetic field.
A strange patch of extremely strong magnetic field occurred over Jordan in 1000BC. Could we be about to face another one?
Barkly Pass, the stratotype for the Elliot Formation. These beautiful rocks hold ancient secrets.
The earth’s own magnetic field offers a useful way to measure the age of rocks - information that can help unpack ancient events and aid our understanding of the present.
Mission control loses signal from Cassini.
Cassini may be gone but the data it left behind could help reveal how long Saturn’s day is and how its magnetic field is generated.
Signals from violent earthquakes are helping reveal the landscape of the planet’s insides.