From time to time, the Earth's magnetic poles flip, leaving us without a protective magnetic field for up to centuries ...

The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the poles to the reliability of GPS on a jet’s navigation screen. When that ...

Libor Šmejkal has a fondness for the artwork of M. C. Escher, whose work was often inspired by mathematics. One of Šmejkal’s favourite pieces is Horseman, a striking picture that features an elaborate ...

The original version of this story appeared in Quanta Magazine. Amid the roilings of the Milky Way, immense pockets of gas coalesce into clouds where stars are born. In this process, there is a hidden ...

Geology The Colorado River's largest tributary flows 'uphill' for over 100 miles — and geologists may finally have an explanation for it ...

In collaboration with international partners, researchers at the University of Stuttgart have experimentally demonstrated a previously unknown form of magnetism in atomically thin material layers. The ...

For observers on Earth, the sun appears as a bright, familiar disk—but what we see is only half the story. Like the moon, one ...

Magnets are powerful, but they’re also noisy. Not in the way speakers are, but ...